Individual provider Active NPI

Max A. Yesalavage

  • Certified Registered Nurse Anesthetist
  • Lewisburg, PA
National Provider Identifier
1851543516
Registry record updated Dec 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
081789 Issued in PA
Practice address
1 Hospital Dr
Lewisburg, PA 17837-9350
Phone
(570) 522-2000
NPI assigned
Oct 14, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 16, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 081789 PA Primary
Registered Nurse 163W00000X RN518009-L PA

Addresses

Primary practice location

1 Hospital Dr
Lewisburg, PA 17837-9350

Mailing address

601 Memory LN
York, PA 17402-2231
Phone (717) 851-1405

Other practice location 1

55 Monument Rd
York, PA 17403-5023
Phone (717) 812-6425

Other practice location 2

25 Monument Rd Ste 270
York, PA 17403-5073
Phone (717) 741-8250

Other practice location 3

501 E Main St
Waynesboro, PA 17268-2353
Phone (717) 765-3425

Other practice location 4

252 S 4th St
Lebanon, PA 17042-6111
Phone (717) 270-7500

Other practice location 5

90 Medical Park Dr Ste 2000
Lewisburg, PA 17837-6343
Phone (570) 524-2722

Other practice location 6

112 N 7th St
Chambersburg, PA 17201-1720
Phone (717) 267-7164

Other practice location 7

835 5th Ave
Chambersburg, PA 17201-4220
Phone (717) 217-4312

Other practice location 8

12 St Paul Dr Ste 100
Chambersburg, PA 17201-1035
Phone (717) 217-6072

Other practice location 9

4150 Barrett Blvd Ste 100
Ephrata, PA 17522-8979
Phone (717) 859-5160

Other practice location 10

169 Martin Ave
Ephrata, PA 17522-1734
Phone (717) 733-0311

Other practice location 11

1001 S George St
York, PA 17403-3676
Phone (717) 812-7687

Other practice location 12

35 Erick Rd
Lancaster, PA 17601-3111
Phone (717) 690-0811

Other identifiers 9

IdentifierTypeStateIssuer
1024154190002MedicaidPA
3633568000OtherPAIBC
9358458OtherPAAETNA
121176OtherPAGEISINGER
2082635OtherPAFIRST PRIORITY
50081140OtherPACAPITAL ADVANTAGE
11945331OtherPACAQH
1585282OtherPAGATEWAY
2082635OtherPAHIGHMARK

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090127000259 PA Practitioner - Certified Registered Nurse Anesthetist (Crna) 5799849303 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Wellspan Medical GroupGroup PAC ID 1951213115, 2,438 clinicians
Evangelical Medical Services OrganizationGroup PAC ID 9133033087, 255 clinicians

Practice addresses (Care Compare)

1 Hospital Dr
Lewisburg, PA 17837-9350
Phone (570) 522-4264

210 JPM Rd
Lewisburg, PA 17837-9367
Phone (570) 522-4299

25 Monument Rd
York, PA 17403-5073

90 Medical Park Dr
Lewisburg, PA 17837-6343
Phone (570) 524-2722

Hospital & facility affiliations

  • Wellspan Evangelical Community Hospital Hospital, Lewisburg, PA, CCN 390013

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
RN518009-LPAMDRegistered Nurse
081789PAMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Wellspan Medical Group Current Accepting new patients
Evangelical Medical Services Organization CurrentSince Mar 16, 2022 Accepting new patients
Northeastern Anesthesia Physicians P.C. CurrentSince Jan 25, 2021 Accepting new patients
Gulfstream Anesthesia Consultants PA Nurse Anesthetist, Certified Registered CurrentSince Aug 17, 2009 Accepting new patients
Lehigh Valley Anesthesia Services, P. C. Nurse Anesthetist, Certified Registered CurrentSince Dec 1, 2008 Accepting new patients
Wellspan Medical Group CurrentSince Dec 1, 2025 Accepting new patients
Lehigh Anesthesia Associates, P.C. CurrentSince Dec 1, 2020 Accepting new patients
Evangelical Medical Services Organization CurrentSince Mar 16, 2022 Accepting new patients
Forty Fort Anesthesia Associates LLC Nurse Anesthetist, Certified Registered CurrentSince Feb 23, 2021 Accepting new patients
Evangelical Medical Services Organization Current Accepting new patients
Hazleton Anesthesia Services, P.C. CurrentSince Dec 7, 2020 Accepting new patients

Locations (25 of 26)

1200 S Cedar Crest Blvd
Allentown, PA 18103
Phone (484) 862-3200

1736 Hamilton St
Allentown, PA 18104
Phone (610) 770-8300

24 S 18th St
Allentown, PA 18104
Phone (610) 628-8372

701 E 16th St
Berwick, PA 18603
Phone (570) 754-5000

835 5th Ave
Chambersburg, PA 17201
Phone (717) 217-4312

12 St Paul Dr
Ste 100
Chambersburg, PA 17201
Phone (717) 217-6072

112 N 7th St
Chambersburg, PA 17201
Phone (717) 217-4300

4150 Barrett Blvd
Ste 100
Ephrata, PA 17522
Phone (717) 859-5160

169 Martin Ave
Ephrata, PA 17522
Phone (717) 733-0311

50 Moisey Dr
Ste 100
Hazle Township, PA 18202
Phone (570) 501-6500

700 E Broad St
Hazleton, PA 18201
Phone (570) 501-4000

190 Welles St
Kingston, PA 18704
Phone (570) 283-0524

35 Erick Rd
Lancaster, PA 17601
Phone (717) 690-0785

875 Norman Dr
Lebanon, PA 17042
Phone (717) 272-2010

252 S 4th St
Lebanon, PA 17042
Phone (717) 270-7500

90 Medical Park Dr
Lewisburg, PA 17837
Phone (570) 524-1213

90 Medical Park Dr
Ste 2000
Lewisburg, PA 17837
Phone (570) 524-2722

25 Lystra Rogers Dr
Lewisburg, PA 17837
Phone (570) 523-3290

1 Hospital Dr
Lewisburg, PA 17837
Phone (570) 522-2000

275 Guthrie Dr
Troy, PA 16947
Phone (570) 297-2121

501 E Main St
Waynesboro, PA 17268
Phone (717) 765-3400

1600 S George St
York, PA 17403
Phone (717) 848-3615

601 Memory Ln
York, PA 17402
Phone (717) 851-6670

25 Monument Rd
Ste 270
York, PA 17403
Phone (717) 741-8250

1001 S George St
York, PA 17403
Phone (717) 812-7687

Organizations & group practices 11

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

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    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1851543516",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
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            "address_1": "601 MEMORY LN",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174022231",
            "telephone_number": "717-851-1405"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 HOSPITAL DR",
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            "state": "PA",
            "postal_code": "178379350",
            "telephone_number": "570-522-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Monument Rd",
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            "state": "PA",
            "postal_code": "174035023",
            "country_code": "US",
            "telephone_number": "717-812-6425",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25 Monument Rd Ste 270",
            "address_purpose": "LOCATION",
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            "postal_code": "174035073",
            "country_code": "US",
            "telephone_number": "717-741-8250",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "501 E Main St",
            "address_purpose": "LOCATION",
            "city": "Waynesboro",
            "state": "PA",
            "postal_code": "172682353",
            "country_code": "US",
            "telephone_number": "717-765-3425",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "252 S 4th St",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "PA",
            "postal_code": "170426111",
            "country_code": "US",
            "telephone_number": "717-270-7500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "90 Medical Park Dr Ste 2000",
            "address_purpose": "LOCATION",
            "city": "Lewisburg",
            "state": "PA",
            "postal_code": "178376343",
            "country_code": "US",
            "telephone_number": "570-524-2722",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "112 N 7th St",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172011720",
            "country_code": "US",
            "telephone_number": "717-267-7164",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "835 5th Ave",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172014220",
            "country_code": "US",
            "telephone_number": "717-217-4312",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12 St Paul Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172011035",
            "country_code": "US",
            "telephone_number": "717-217-6072",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4150 Barrett Blvd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Ephrata",
            "state": "PA",
            "postal_code": "175228979",
            "country_code": "US",
            "telephone_number": "717-859-5160",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "169 Martin Ave",
            "address_purpose": "LOCATION",
            "city": "Ephrata",
            "state": "PA",
            "postal_code": "175221734",
            "country_code": "US",
            "telephone_number": "717-733-0311",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1001 S George St",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174033676",
            "country_code": "US",
            "telephone_number": "717-812-7687",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "35 Erick Rd",
            "address_purpose": "LOCATION",
            "city": "Lancaster",
            "state": "PA",
            "postal_code": "176013111",
            "country_code": "US",
            "telephone_number": "717-690-0811",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YESALAVAGE",
        "first_name": "MAX",
        "middle_name": "A.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-10-14",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "PA",
            "license": "081789",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "PA",
            "license": "RN518009-L",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1024154190002",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "IBC",
            "identifier": "3633568000",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "9358458",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GEISINGER",
            "identifier": "121176",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FIRST PRIORITY",
            "identifier": "2082635",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAPITAL ADVANTAGE",
            "identifier": "50081140",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAQH",
            "identifier": "11945331",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GATEWAY",
            "identifier": "1585282",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK",
            "identifier": "2082635",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Lewisburg, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.