NPIMap

Individual provider Active NPI

John Wah, M.D.

  • Internal Medicine Physician
  • Westminster, MD
National Provider Identifier
1265727580
Registry record updated Nov 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D0077578 Issued in MD
Practice address
77 E Main St Ste 215
Westminster, MD 21157-5037
Phone
(410) 871-8104
NPI assigned
Jun 15, 2011
Last updated
Nov 12, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D0077578 MD Primary

Addresses

Primary practice location

77 E Main St Ste 215
Westminster, MD 21157-5037

Mailing address

684 Poole Rd Ste a
Westminster, MD 21157-6173
Phone (667) 367-2260

Other practice location 1

7309 2nd Ave
Sykesville, MD 21784-7531
Phone (410) 795-1100

Other identifiers 1

IdentifierTypeStateIssuer
079467800MedicaidMD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20140804001071 MD Practitioner - Geriatric MedicinePractitioner - Internal Medicine 5991956609 Reassigns benefits to 1 organization
Practice locations: Ellicott City, MD; Sykesville, MD

Care Compare profile

Medicare Care Compare
Specialty
Geriatric MedicineAlso: Internal Medicine
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Expanding Medicine LLCGroup PAC ID 4183972433, 4 clinicians

Practice addresses (Care Compare)

3332 Main St
Manchester, MD 21102-1952
Phone (410) 239-7139

6012 Jefferson Blvd
Frederick, MD 21703-6953
Phone (301) 371-7160

9000 Fathers Legacy
Ellicott City, MD 21042-5135
Phone (410) 696-6700

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
23 of 100Reported as individual
Quality
0
Improvement activities
0
Cost
76.66

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D0077578MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Expanding Medicine, LLC Internal Medicine CurrentSince Jul 1, 2018 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
7309 Second Avenue Opco LLC Past Accepting new patients
Expanding Medicine Concierge, LLC PastSince Sep 24, 2023 Accepting new patients
6012 Jefferson Boulevard Opco LLC Past Accepting new patients
3332 Main Street Opco LLC Past Accepting new patients

Locations

6012 Jefferson Blvd
Frederick, MD 21703
Phone (301) 371-7160

1442 Buckhorn Rd
Sykesville, MD 21784
Phone (410) 795-2737

7309 2nd Ave
Sykesville, MD 21784
Phone (301) 785-8316

Ownership & related parties

All facility ownership & control disclosures 1

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

FacilityTypeRoleSince
Autumn Lake Healthcare at Braddock HeightsFrederick, MD, CCN 215199 Skilled nursing facility Operational/Managerial Control
Adp of the SNF		 May 1, 2021
May 1, 2021

Owned or controlled facilities with NPI records 1

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

Organizations & group practices 6

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.

Hospital & facility affiliations 7

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": "1308096000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762905600000",
    "number": "1265727580",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "684 POOLE RD STE A",
            "city": "WESTMINSTER",
            "state": "MD",
            "postal_code": "211576173",
            "telephone_number": "667-367-2260",
            "fax_number": "410-848-5629"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "77 E MAIN ST STE 215",
            "city": "WESTMINSTER",
            "state": "MD",
            "postal_code": "211575037",
            "telephone_number": "410-871-8104"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7309 2nd Ave",
            "address_purpose": "LOCATION",
            "city": "Sykesville",
            "state": "MD",
            "postal_code": "217847531",
            "country_code": "US",
            "telephone_number": "410-795-1100",
            "fax_number": "410-848-5629",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WAH",
        "first_name": "JOHN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-06-15",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0077578",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "079467800",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Westminster, MD

Sources for this page

Verify at the official NPI Registry.