Colin Thomas Zimmerman, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

MA062847 Issued in PA

Practice address

700 High St
Williamsport, PA 17701-3100

Phone

(570) 321-1000

NPI assigned

Sep 30, 2021

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

Electronic endpoints 1

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: No

Green means eligible to order or refer.

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

81.06 of 100Reported as group

Quality

62.07

Promoting interoperability

100

Improvement activities

40

Cost

74.81

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: czimmerman278852@upmc.direct-ci.com

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.

• Lancaster Emergency Associates LTD

  • Emergency Medicine Physician
  • Lancaster, PA
  • NPI 1740268184
  Medicare reassignment
• Lock Haven Emergency Physicians PLLC

  • Emergency Medicine Physician
  • Lock Haven, PA
  • NPI 1710201322
  Medicare reassignment
• Susquehanna Physician Services

  dba Susquehanna Health Medical Group

  • Internal Medicine Physician
  • Williamsport, PA
  • NPI 1992743868
  Medicare reassignment
• Susquehanna Physician Services

  dba Susquehanna Health Medical Group

  • Emergency Medicine Physician
  • Williamsport, PA
  • NPI 1992359798
  NPD

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

{
    "created_epoch": "1632960000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764633600000",
    "number": "1245902949",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1201 GRAMPIAN BLVD",
            "city": "WILLIAMSPORT",
            "state": "PA",
            "postal_code": "177011900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 HIGH ST",
            "city": "WILLIAMSPORT",
            "state": "PA",
            "postal_code": "177013100",
            "telephone_number": "570-321-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZIMMERMAN",
        "first_name": "COLIN",
        "middle_name": "THOMAS",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-09-30",
        "last_updated": "2025-12-02",
        "certification_date": "2021-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "PA",
            "license": "OA005804",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "PA",
            "license": "MA062847",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "czimmerman278852@upmc.direct-ci.com",
            "affiliation": "N",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Fnu Zain Ul Abideen, MD
• Kathy W Zakarian, PSY.D.
• Robert B Zaleski, RPH
• Jennifer Rae Zelewicz, L.C.S.W.
• Jessica Marie Zielecki, PT, DPT
• Maria Zuniga, LCSW

• Physician Assistant in Williamsport, PA
• Providers in Williamsport, PA by specialty
• Physician Assistant in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 2, 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.