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FREDERICK HEALTH MEDICAL GROUP LLC
NPI 1619258225
Family Medicine in Frederick, MD

Active since September 09, 2011CLIA 21D0950207 · Microscopy
1562 OPOSSUMTOWN PIKE, FREDERICK, MD 21702(240) 215-6310 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 2, 2026, Mar 11, 2026, Oct 23, 2023 and 4 more (7 updates tracked since 2020).

About Frederick Health Medical Group Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FREDERICK HEALTH MEDICAL GROUP LLC (NPI 1619258225), doing business as Frederick Health Medical Group, is a healthcare organization registered as a family medicine in Frederick, Maryland and active in the NPI registry since September 2011. The organization holds a CLIA Microscopy certificate valid through April 2, 2027, maintains 15 additional practice locations, and lists Jenny Fitzpatrick, Director, Professional Fees Revenue, as its authorized official.

NPPES Registry Identity

NPI1619258225
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameFREDERICK HEALTH MEDICAL GROUP LLC
Location Address1562 OPOSSUMTOWN PIKEFrederick, MD 21702-4337
Mailing Address400 W 7th StFrederick, MD 21701-4506 · (240) 566-3337 · Fax (240) 566-4872
Phone(240) 215-6310
Organization SubpartYes
Authorized OfficialJenny FitzpatrickDirector, Professional Fees Revenue · (240) 439-8774
Enumeration DateSeptember 9, 2011
Last NPPES UpdateJune 2, 20267 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
✔ NPI 1619258225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 12

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X
Also ListedNeurological SurgeryTaxonomy 207T00000X
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedOtolaryngologyTaxonomy 207Y00000X
Also ListedRadiology · Body ImagingTaxonomy 2085B0100X
Also ListedRadiology · Diagnostic NeuroimagingTaxonomy 2085D0003X
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X
Also ListedSurgeryTaxonomy 208600000X
Also ListedUrologyTaxonomy 208800000X
Also ListedThoracic Surgery (Cardiothoracic Vascular Surgery)Taxonomy 208G00000X
1562 OPOSSUMTOWN PIKE, Frederick, MD 21702
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Other Names 1

Doing Business AsFrederick Health Medical Group

Secondary Practice Locations 15

Location 1194 Thomas Johnson DrFrederick, MD 21702-4679 · Phone (240) 215-6310
Location 2504 E Ridgeville BlvdMount Airy, MD 21771-5942 · Phone (240) 215-6310
Location 33000D Ventrie CtMyersville, MD 21773-7817 · Phone (240) 215-6310
Location 47211 Bank Ct Ste 240Frederick, MD 21703-8482 · Phone (240) 215-6310
Location 57211 Bank Ct Ste 230Frederick, MD 21703-8482 · Phone (240) 215-6310
Location 6501 W 7th St Ste 104Frederick, MD 21701-5096 · Phone (240) 215-6310
Location 775 Thomas Johnson Dr Ste AFrederick, MD 21702-4895 · Phone (240) 215-6310
Location 81562 Opossumtown Pike Ste 302Frederick, MD 21702-4930 · Phone (240) 215-6310
Location 93430 Worthington BlvdFrederick, MD 21704-7017 · Phone (240) 215-6310
Location 10400 W 7th StFrederick, MD 21701-4506 · Phone (240) 215-6310
Location 1115 E Frederick StWalkersville, MD 21793-8234 · Phone (240) 215-6310
Location 1216403 Old Emmitsburg RdEmmitsburg, MD 21727-8929 · Phone (240) 215-6310
Location 13141 Thomas Johnson Dr Ste 200Frederick, MD 21702-4508 · Phone (301) 846-0100
Location 141194 Dutchmans Creek Dr Unit 3Brunswick, MD 21716-9787 · Phone (240) 215-6310
Location 151 Frederick Health WayFrederick, MD 21701-9435 · Phone (240) 215-6310

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Frederick Health Medical Group Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

244

Medicare enrollment records show 244 clinicians reassign Medicare billing to Frederick Health Medical Group LLC, which bills Medicare for the services they deliver. Of these, 34 practice at this address and 160 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 37

Nurse Practitioner90
Family Practice23
Internal Medicine16
Gastroenterology14
General Surgery12
Diagnostic Radiology11
Orthopedic Surgery8
Otolaryngology8
29 other specialties62

Nearest to this location (20)

See all 244
Eden Amdemichael, M.D.
General Surgery
NPI 1659530509
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 215-6310
✔ PECOS✔ Accepts MedicareSame address
Oscar Bascug, DO
Internal Medicine
NPI 1417484627
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 215-6310
✔ PECOS✔ Accepts MedicareSame address
Ashley Bullman, CRNP
Nurse Practitioner
NPI 1972213841
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 215-6310
✔ PECOS✔ Accepts MedicareSame address
Heather Chalfin
Urology
NPI 1750652152
1562 OPOSSUMTOWN PIKE FL 3
Frederick, MD 21702
(301) 663-4774
✔ PECOS✔ Accepts MedicareSame address
Atchutha Geetha Chan Chilakamarri, MD
Family Practice
NPI 1750508958
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 566-3031
✔ PECOS✔ Accepts MedicareSame address
Constance Derosa
Nurse Practitioner
NPI 1508428103
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(402) 566-3031
✔ PECOS✔ Accepts MedicareSame address
Derek Deshaies, MD
General Surgery
NPI 1174084115
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(402) 156-3102
✔ PECOS✔ Accepts MedicareSame address
Ashleigh Flaherty, FNP-BC
Nurse Practitioner
NPI 1295446334
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 215-6310
✔ PECOSSame address
Dongyan Liu, M.D.
Hematology/Oncology
NPI 1912391913
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 215-6310
✔ PECOS✔ Accepts MedicareSame address
Scarlet Louis Jean, MD, MBA
Internal Medicine
NPI 1477131076
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 215-6310
✔ PECOS✔ Accepts MedicareSame address
April John Mercado, NP
Nurse Practitioner
NPI 1497409452
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 215-6310
✔ PECOS✔ Accepts MedicareSame address
Nyasha Mufuka, MD
Internal Medicine
NPI 1649625138
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 215-6310
✔ PECOS✔ Accepts MedicareSame address
Claudia Ofori-Marfoh, MD
Urology
NPI 1083172134
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 215-6310
✔ PECOS✔ Accepts MedicareSame address
Saro Sarkisian, M.D.
Hematology/Oncology
NPI 1164735387
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(301) 662-8477
✔ PECOS✔ Accepts MedicareSame address
Changqing Xie, M.D.
Hematology/Oncology
NPI 1386082238
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(240) 215-6310
✔ PECOS✔ Accepts MedicareSame address
Jared Berkowitz, MD
Urology
NPI 1588708267
1562 OPOSSUMTOWN PIKE FL 3
Frederick, MD 21702
(301) 663-4774
✔ PECOS✔ Accepts MedicareSame address
Katherine Buki, M.D.
Pulmonary Disease
NPI 1407838402
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(301) 662-8119
✔ PECOS✔ Accepts MedicareSame address
Patrick Mansky, M.D.
Medical Oncology
NPI 1013931526
1562 OPOSSUMTOWN PIKE
Frederick, MD 21702
(301) 662-8477
✔ PECOS✔ Accepts MedicareSame address
Kimanh Le, MD
Family Practice
NPI 1902877020
1564 OPOSSUMTOWN PIKE
Frederick, MD 21702
(301) 663-3137
✔ PECOS✔ Accepts MedicareSame address
Yvette Lopez-Warren, M.D.
Family Practice
NPI 1164492419
1564 OPOSSUMTOWN PIKE
Frederick, MD 21702
(301) 663-3137
✔ PECOS✔ Accepts MedicareSame address
See all 244 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 21D0950207

Frederick Health Medical Group · Myersville, MD
Active · expires Apr 2, 2027
CLIA Number21D0950207
Laboratory TypePhysician Office
Certificate Effective DateApril 3, 2025
Certificate Expiration DateApril 2, 2027
Laboratory DirectorDr. Margaret P. Oberman
Laboratory Phone(301) 293-2549
Laboratory LocationFrederick Health Medical Group3000 D Ventrie Court, Myersville, MD 21773
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Frederick Health Medical Group LLC's NPI number?

The NPI number for Frederick Health Medical Group LLC is 1619258225. It was assigned to this organization in the NPPES registry on September 9, 2011. The provider is doing business as Frederick Health Medical Group.

Where is Frederick Health Medical Group LLC located?

Frederick Health Medical Group LLC is located at 1562 Opossumtown Pike, Frederick, MD 21702. The listed phone number is (240) 215-6310.

What is Frederick Health Medical Group LLC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Frederick Health Medical Group LLC enrolled in Medicare?

Yes. Frederick Health Medical Group LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Frederick Health Medical Group LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 244 clinicians in 37 Medicare specialties reassign their Medicare billing to Frederick Health Medical Group LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (90), Family Practice (23) and Internal Medicine (16). Of these, 34 practice at this address and 160 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Frederick Health Medical Group LLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 21D0950207) is associated with this NPI, valid through April 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Frederick Health Medical Group LLC was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.