John W Diefenderfer, D.O.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

DO2785 Issued in ME

Practice address

149 North St
Waterville, ME 04901-4974

Phone

(207) 861-5101

Fax

(207) 872-4341

NPI assigned

Jun 8, 2015

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in ME

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Osteopathic Manipulative Medicine

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mainegeneral Medical CenterGroup PAC ID 1254245715, 554 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Maine General Medical Center Hospital, Augusta, ME, CCN 200039

Merit-based Incentive Payment System (MIPS)

Final score

86.22 of 100Reported as group

Quality

75.39

Promoting interoperability

84

Improvement activities

40

Cost

75.32

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: johndiefenderfer@mgh.allscriptsdirect.net
• Direct secure messaging: jdiefenderfer264963@direct.mmc.mainehealth.org

All facility ownership & control disclosures 3

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

Owned or controlled facilities with NPI records 3

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

• Mainegeneral Health Rehabilitation & Long Term Care

  • Skilled Nursing Facility
  • Augusta, ME
  • NPI 1659362481

  Corporate Director

  CMS ownership
• Mainegeneral Health Rehabilitation & Long Term Care

  • Skilled Nursing Facility
  • Augusta, ME
  • NPI 1679564017

  Corporate Director

  CMS ownership
• Mainegeneral Medical Center

  • General Acute Care Hospital
  • Augusta, ME
  • NPI 1669423380

  Corporate Director

  CMS ownership

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.

• Mainegeneral Medical Center

  • General Acute Care Hospital
  • Augusta, ME
  • NPI 1669423380
  Medicare reassignment Care Compare group NPD
• Mainegeneral Medical Center

  • Community/Retail Pharmacy
  • Waterville, ME
  • NPI 1477344976
  NPD

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

{
    "created_epoch": "1433721600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1611100800000",
    "number": "1407236185",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "149 NORTH ST",
            "city": "WATERVILLE",
            "state": "ME",
            "postal_code": "049014974",
            "telephone_number": "207-861-5101",
            "fax_number": "207-872-4341"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "149 NORTH ST",
            "city": "WATERVILLE",
            "state": "ME",
            "postal_code": "049014974",
            "telephone_number": "207-861-5101",
            "fax_number": "207-872-4341"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15 E Chestnut St",
            "address_purpose": "LOCATION",
            "city": "Augusta",
            "state": "ME",
            "postal_code": "04330",
            "country_code": "US",
            "telephone_number": "207-623-6663",
            "fax_number": "207-626-1902",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIEFENDERFER",
        "first_name": "JOHN",
        "middle_name": "W",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-06-08",
        "last_updated": "2021-01-20",
        "certification_date": "2021-01-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "FL",
            "license": "UO 4638",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "ME",
            "license": "DO2785",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Valerie Laurel Demerchant, RPH
• Thomas James Demers
• Matthew Wells Deming, LCSW
• Dennis P Ratner PHD PA
• Steven E Diaz, MD
• Jennifer Diehl, MD
• Brittany Dionne, OTR/L
• Discovery House of Central Maine, Inc.
• Tia Dixon, CADC
• Maureen Dole, CRNA

• Family Medicine Physician in Waterville, ME
• Providers in Waterville, ME by specialty
• Family Medicine Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 20, 2021; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
• 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.