Individual provider Active NPI

Tammy L Welch, PAC

  • Physician Assistant
  • Frederick, MD
National Provider Identifier
1477551208
Registry record updated Jun 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
C0002632 Issued in MD
Practice address
1562 Opossumtown Pike
Frederick, MD 21702-4920
Phone
(301) 694-5861
Fax
(240) 439-8910
NPI assigned
Jul 14, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X C0002632 MD Primary

Addresses

Primary practice location

1562 Opossumtown Pike
Frederick, MD 21702-4920

Mailing address

1 Frederick Health Way
Frederick, MD 21701-9435

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20040716000357 MD Practitioner - Physician Assistant 4789663428 Reassigns benefits to 1 organization
I20110307000659 DC Practitioner - Physician Assistant 4789663428

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Frederick Health Medical Group LLCGroup PAC ID 9931341096, 200 clinicians

Practice addresses (Care Compare)

1 Frederick Health Way
Frederick, MD 21701-9435
Phone (240) 215-6310

1194 Dutchmans Creek Dr
Brunswick, MD 21716-9786
Phone (240) 215-6310

16403 Old Emmitsburg Rd
Emmitsburg, MD 21727-8929
Phone (240) 215-6310

194 Thomas Johnson Dr
Frederick, MD 21702-4679
Phone (240) 215-6310

400 W 7TH St
Frederick, MD 21701-4506
Phone (240) 215-6310

501 W 7TH St
Suite 104
Frederick, MD 21701-5096
Phone (240) 215-6310

504 E Ridgeville Blvd
Mount Airy, MD 21771-5942
Phone (240) 215-6310

7211 Bank CT
Frederick, MD 21703-8482
Phone (240) 215-6310

Hospital & facility affiliations

  • Frederick Health Hospital Hospital, Frederick, MD, CCN 210005

Merit-based Incentive Payment System (MIPS)

Final score
83.07 of 100Reported as group
Quality
75.5
Promoting interoperability
100
Improvement activities
40
Cost
68.06

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Frederick Health Medical Group LLC CurrentSince Feb 12, 2014 Accepting new patients
Frederick Health Medical Group LLC CurrentSince Feb 12, 2014 Accepting new patients
Pratt Medical Center LTD Past Accepting new patients
Pratt Medical Center LTD Past Accepting new patients
MSC Ambulatory Surgical Center, LLC Past Accepting new patients
Frederick Health Medical Group LLC Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

1562 Opossumtown Pike
Fl 2
Frederick, MD 21702

1562 Opossumtown Pike
Frederick, MD 21702
Phone (240) 566-4500

400 W 7th St
Frederick, MD 21701
Phone (240) 566-3300

501 W 7th St
Frederick, MD 21701
Phone (301) 360-2574

501 W 7th St
Ste D
Frederick, MD 21701
Phone (301) 418-6611

501 W 7th St
#D
Frederick, MD 21701
Phone (301) 694-5861

1 Frederick Health Way
Frederick, MD 21701
Phone (240) 439-8812

Organizations & group practices 7

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.

Hospital & facility affiliations 1

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": "1121299200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750118400000",
    "number": "1477551208",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 FREDERICK HEALTH WAY",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217019435"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1562 OPOSSUMTOWN PIKE",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024920",
            "telephone_number": "301-694-5861",
            "fax_number": "240-439-8910"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WELCH",
        "first_name": "TAMMY",
        "middle_name": "L",
        "name_prefix": "Ms.",
        "credential": "PAC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-07-14",
        "last_updated": "2025-06-17",
        "certification_date": "2025-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MD",
            "license": "C0002632",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Frederick, MD

Sources for this page

Verify at the official NPI Registry.