What is Margaret Oberman's NPI number?

Margaret Oberman's National Provider Identifier (NPI) is 1972583581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Margaret Oberman's specialty?

Margaret Oberman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Margaret Oberman located?

Margaret Oberman's practice location on file with NPPES is 1562 Opossumtown Pike, Frederick, MD 21702.

What is Margaret Oberman's phone number?

The practice phone number listed in the NPPES registry for Margaret Oberman is (301) 662-8119.

Does Margaret Oberman accept Medicare?

Margaret Oberman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Margaret Oberman's NPI active?

Yes — Margaret Oberman's NPI (1972583581) is active in the NPPES registry as of the last update on 2019-07-30.

IndividualActiveAccepts Medicare

Margaret Oberman, M.D.

NPI 1972583581 · Internal Medicine Physician · Frederick, MD

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Margaret Oberman, M.D. is a Internal Medicine Physician provider in Frederick, MD (NPI 1972583581).

Provider details

NPI number: 1972583581
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Female
Sole proprietor: No
License: 0101056083 (VA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense D77143 (MD)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 0101056083 (VA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(83/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
5 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
960 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	460	$105
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	217	$16
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	75	$139
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	73	$130
Administration of Influenza Virus VaccineG0008	45	$32
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Amlodipine Besylate	196	74
Levothyroxine Sodium	194	72
Atorvastatin Calcium	124	43
Lisinopril	106	34
Pravastatin Sodium	81	28
Losartan Potassium	71	23
Metoprolol Succinate

Practice location

1562 Opossumtown Pike

Frederick, MD 21702

Phone: (301) 662-8119

Fax: (240) 439-8910

Approximate (ZIP-level) locationGet directions

More MD providers

Mailing address

Po Box 37086

Baltimore, MD 21297-3086

Additional practice locations (4)

620 John Paul Jones Cir
Portsmouth, VA 23708
Phone: (757) 483-9792
Fax: (757) 953-0848
620 John Paul Jones Cir
Portsmouth, VA 23708
Phone: (757) 483-9792
Fax: (757) 953-0848
620 John Paul Jones Cir
Portsmouth, VA 23708
Phone: (757) 483-9792
Fax: (757) 953-0848
620 John Paul Jones Cir
Portsmouth, VA 23708
Phone: (757) 483-9792
Fax: (757) 953-0848

Enumerated: 2006-01-19
Last updated: 2019-07-30

Frequently asked questions

What is Margaret Oberman's NPI number?: Margaret Oberman's National Provider Identifier (NPI) is 1972583581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Margaret Oberman's specialty?: Margaret Oberman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Margaret Oberman located?: Margaret Oberman's practice location on file with NPPES is 1562 Opossumtown Pike, Frederick, MD 21702.
What is Margaret Oberman's phone number?: The practice phone number listed in the NPPES registry for Margaret Oberman is (301) 662-8119.
Does Margaret Oberman accept Medicare?: Margaret Oberman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Margaret Oberman's NPI active?: Yes — Margaret Oberman's NPI (1972583581) is active in the NPPES registry as of the last update on 2019-07-30.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.