Timothy Michael Patterson, D.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

OS015421 Issued in PA

Practice address

933 E Haverford Rd Ste 150
Bryn Mawr, PA 19010-3819

Phone

(610) 520-5200

Fax

(610) 520-1998

NPI assigned

Oct 27, 2009

Last updated

Sep 4, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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 PA

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

Philadelphia College of Osteopathic Medicine, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Main Line HealthcareGroup PAC ID 1951215201, 1,154 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Main Line Health Home Care & Hospice - Home Health Home health agency, Radnor, PA, CCN 397012
• Bryn Mawr Hospital Hospital, Bryn Mawr, PA, CCN 390139
• Main Line Hospital Lankenau Hospital, Wynnewood, PA, CCN 390195
• Riddle Memorial Hospital Hospital, Media, PA, CCN 390222
• Paoli Hospital Hospital, Paoli, PA, CCN 390153
• Good Shepherd Penn Partners Long-term care hospital, Philadelphia, PA, CCN 392050

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: timothy.patterson@chpm.cernerdirect.com

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.

• Main Line Healthcare

  • Family Medicine Physician
  • Newtown Square, PA
  • NPI 1922077643

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Prospect Health Access Network, Inc.

  • Emergency Medicine Physician
  • Chester, PA
  • NPI 1568819084
  Medicare reassignment NPD
• Prospect Health Access Network, Inc.

  • Transplant Surgery Physician
  • Chester, PA
  • NPI 1013364538
  NPD
• Prospect Health Access Network, Inc.

  • Diagnostic Radiology Physician
  • Chester, PA
  • NPI 1154776797
  NPD
• Prospect Health Access Network, Inc.

  • Internal Medicine Physician
  • Chester, PA
  • NPI 1912354432
  NPD

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

• Main Line Hospitals, Inc.

  dba Paoli Hospital

  • General Acute Care Hospital
  • Paoli, PA
  • NPI 1215042114
  Care Compare affiliation
• Main Line Hospitals, Inc.

  dba Lankenau Hospital

  • General Acute Care Hospital
  • Wynnewood, PA
  • NPI 1245335629
  Care Compare affiliation
• Main Line Hospitals, Inc.

  dba Bryn Mawr Hospital

  • General Acute Care Hospital
  • Bryn Mawr, PA
  • NPI 1508971441
  Care Compare affiliation
• Philadelphia Post Acute Partners, LLC

  dba Penn Medicine Good Shepherd Rehabilitation

  • Long Term Care Hospital
  • Philadelphia, PA
  • NPI 1427232818

  Long-term care hospital

  Care Compare affiliation
• Riddle Memorial Hospital

  • General Acute Care Hospital
  • Media, PA
  • NPI 1407856099
  Care Compare affiliation

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

{
    "created_epoch": "1256601600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1902132871",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3803 W CHESTER PIKE STE 160",
            "city": "NEWTOWN SQUARE",
            "state": "PA",
            "postal_code": "190732336",
            "telephone_number": "484-337-1632"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "933 E HAVERFORD RD STE 150",
            "city": "BRYN MAWR",
            "state": "PA",
            "postal_code": "190103819",
            "telephone_number": "610-520-5200",
            "fax_number": "610-520-1998"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1098 W Baltimore Pike",
            "address_2": "Suite 3101",
            "address_purpose": "LOCATION",
            "city": "Media",
            "state": "PA",
            "postal_code": "190635139",
            "country_code": "US",
            "telephone_number": "610-891-9277",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PATTERSON",
        "first_name": "TIMOTHY",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-10-27",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "OT012423",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "OS015421",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ellen M. Parris, LCSW
• Rona Pasternak
• Ami Shah Patel, DO
• Forum Patel, CRNP
• Roshni Patel, MD
• Pattey Fong Psychology Associates
• Gerald M. Patton, M.D.
• Michael B Pavel, DMD
• Alana Payne, DO
• Jeffrey Pearlman-Storch, D.M.D.

• Internal Medicine Physician in Bryn Mawr, PA
• Providers in Bryn Mawr, PA by specialty
• Internal Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.