Individual provider Active NPI

Grey Maria Dickinson, CRNA

  • Certified Registered Nurse Anesthetist
  • York, PA
National Provider Identifier
1801577374
Registry record updated Dec 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
RN743000 Issued in PA
Practice address
1001 S George St
York, PA 17403-3676
Phone
(717) 812-7687
Fax
(717) 851-5250
NPI assigned
Jul 27, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RN743000 PA
Certified Registered Nurse Anesthetist 367500000X RN743000 PA Primary

Addresses

Primary practice location

1001 S George St
York, PA 17403-3676

Mailing address

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

Other practice location 1

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

Other practice location 2

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

Other practice location 3

147 Gettys St
Gettysburg, PA 17325-2534
Phone (717) 337-4168

Other practice location 4

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

Other practice location 5

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

Other practice location 6

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

Other practice location 7

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

Other practice location 8

236 West St
Gettysburg, PA 17325-2509
Phone (717) 338-4500

Other practice location 9

1227 Baltimore St
Hanover, PA 17331-4406
Phone (717) 217-6072

Other practice location 10

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

Other practice location 11

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

Other practice location 12

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

Other names 1

  • Grey Maria Obregon Former name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240611002833 PA Practitioner - Certified Registered Nurse Anesthetist (Crna) 4981146586 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Wellspan Medical GroupGroup PAC ID 1951213115, 2,438 clinicians

Practice addresses (Care Compare)

1001 S George St
York, PA 17403-3676
Phone (717) 851-5424

Hospital & facility affiliations

  • Wellspan York Hospital Hospital, York, PA, CCN 390046

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
The Gettysburg Hospital Nurse Anesthetist, Certified Registered CurrentSince Jul 22, 2024 Accepting new patients
The Gettysburg Hospital CurrentSince Jul 22, 2024 Accepting new patients
Wellspan Medical Group CurrentSince Jul 22, 2024 Accepting new patients
Wellspan Medical Group CurrentSince Jul 22, 2024 Accepting new patients
Wellspan Medical Group Current Accepting new patients

Locations

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

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

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

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

4150 Barrett Blvd
Ephrata, PA 17522
Phone (717) 738-5648

147 Gettys St
Gettysburg, PA 17325
Phone (717) 334-2121

147 Gettys St
#3786
Gettysburg, PA 17325
Phone (717) 334-4216

236 West St
Gettysburg, PA 17325
Phone (717) 338-4500

1227 Baltimore St
Hanover, PA 17331
Phone (717) 646-4204

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

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

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

55 Monument Rd
York, PA 17403
Phone (717) 741-5257

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

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

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

Organizations & group practices 5

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 4

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.

{
    "created_epoch": "1690416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765411200000",
    "number": "1801577374",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "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": "1001 S GEORGE ST",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174033676",
            "telephone_number": "717-812-7687",
            "fax_number": "717-851-5250"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "252 S 4th St",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "PA",
            "postal_code": "170426111",
            "country_code": "US",
            "telephone_number": "717-270-7500",
            "fax_number": "717-228-1642",
            "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",
            "fax_number": "717-765-3478",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "147 Gettys St",
            "address_purpose": "LOCATION",
            "city": "Gettysburg",
            "state": "PA",
            "postal_code": "173252534",
            "country_code": "US",
            "telephone_number": "717-337-4168",
            "fax_number": "717-337-4318",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25 Monument Rd Ste 270",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174035073",
            "country_code": "US",
            "telephone_number": "717-741-8250",
            "fax_number": "717-741-8289",
            "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",
            "fax_number": "717-217-6952",
            "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",
            "fax_number": "717-721-5861",
            "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",
            "fax_number": "717-267-7414",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "236 West St",
            "address_purpose": "LOCATION",
            "city": "Gettysburg",
            "state": "PA",
            "postal_code": "173252509",
            "country_code": "US",
            "telephone_number": "717-338-4500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1227 Baltimore St",
            "address_purpose": "LOCATION",
            "city": "Hanover",
            "state": "PA",
            "postal_code": "173314406",
            "country_code": "US",
            "telephone_number": "717-217-6072",
            "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": "4150 Barrett Blvd",
            "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": "55 Monument Rd",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174035023",
            "country_code": "US",
            "telephone_number": "717-812-6425",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DICKINSON",
        "first_name": "GREY",
        "middle_name": "MARIA",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-07-27",
        "last_updated": "2025-12-11",
        "certification_date": "2025-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "PA",
            "license": "RN743000",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "PA",
            "license": "RN743000",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "GREY",
            "last_name": "OBREGON",
            "middle_name": "MARIA",
            "credential": "CRNA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in York, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 11, 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.