Active NPI
Tammy L Welch, PAC
- Physician Assistant
- Frederick, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- C0002632
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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, DC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
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
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
Merit-based Incentive Payment System (MIPS)
- Final score
- 83.07 of 100
- 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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Frederick Health Medical Group LLC | Current | Accepting new patients | |
| Frederick Health Medical Group LLC | Current | 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.
-
- Family Medicine Physician
- Frederick, MD
- NPI 1619258225
-
- Family Medicine Physician
- Mount Airy, MD
- NPI 1114771862
-
- Registered Dietitian
- Frederick, MD
- NPI 1720496573
-
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
-
- Ambulatory Surgical Clinic/Center
- Bethesda, MD
- NPI 1417118407
-
- Clinical Medical Laboratory
- Fredericksburg, VA
- NPI 1003840950
-
- Family Medicine Physician
- Fredericksburg, VA
- NPI 1316973555
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 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.