Julie Pfeffer, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1014822 Issued in MA

Practice address

355 Waverley Oaks Rd Ste 200
Waltham, MA 02452-8478

Phone

(781) 647-6920

NPI assigned

Apr 3, 2020

Last updated

Mar 31, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MA

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

Internal Medicine

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mount Auburn Professional Services IncGroup PAC ID 6103725031, 229 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Elara Caring Home health agency, Braintree, MA, CCN 227475
• Beth Israel Lahey Health at Home Home health agency, Beverly, MA, CCN 227495
• Mount Auburn Hospital Hospital, Cambridge, MA, CCN 220002
• Lahey Hospital & Medical Center, Burlington Hospital, Burlington, MA, CCN 220171
• Beth Israel Deaconess Medical Center Hospital, Boston, MA, CCN 220086

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/86/brand/1/csg/1/fhir/r4
• Direct secure messaging: jpfeffer481600@direct.bilh.masshiway.net

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

• Mount Auburn Professional Services Inc

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1992750996
  Medicare reassignment Care Compare group NPD
• Mt Auburn Professional Services

  dba Belmont Medical Associates

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1013375203
  NPD

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

• Beth Israel Deaconess Medical Center, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1548202641
  Care Compare affiliation
• Lahey Clinic Hospital, Inc.

  • General Acute Care Hospital
  • Burlington, MA
  • NPI 1558392563
  Care Compare affiliation
• Medical Resources Home Health Corp

  dba Elara Caring

  • Home Health Agency
  • Braintree, MA
  • NPI 1417934654
  Care Compare affiliation
• Mount Auburn Hospital

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1689670259
  Care Compare affiliation
• Northeast Professional Registry of Nurses Inc

  dba Beth Israel Lahey Health at Home

  • Home Health Agency
  • Woburn, MA
  • NPI 1346257474
  Care Compare affiliation

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

{
    "created_epoch": "1585872000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743379200000",
    "number": "1083243943",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 MT AUBURN ST",
            "address_2": "PARSONS 2",
            "city": "WATERTOWN",
            "state": "MA",
            "postal_code": "021385597",
            "telephone_number": "781-647-6920",
            "fax_number": "781-891-0056"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "355 WAVERLEY OAKS RD STE 200",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024528478",
            "telephone_number": "781-647-6920"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PFEFFER",
        "first_name": "JULIE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-03",
        "last_updated": "2025-03-31",
        "certification_date": "2025-03-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1014822",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110205359A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sarah Perrimon
• Joanne Peskowitz
• Jessica Radin Peters, MD
• Myron B Peterson, M.D.
• Samantha Marie Petracca
• Minh Nguyen Pham, RPH
• Phat Pham, PHARMD
• Lisa Phillips, PT
• Caroline Phinney, MSOTR/L
• Joan Pic, LICSW

• Internal Medicine Physician in Waltham, MA
• Providers in Waltham, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 31, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; 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.