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DR. MARCUS L PENN M.D.
NPI 1942287313
Obstetrics & Gynecology in Annapolis, MD

Active since December 28, 2005PECOS EnrolledAccepts Medicare Assignment
2000 MEDICAL PKWY STE 306, ANNAPOLIS, MD 21401(410) 571-9700(410) 571-9710 Get Directions Write a Review

NPPES record last updated: February 3, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Marcus L Penn M.d. NPPES

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

DR. MARCUS L PENN M.D. (NPI 1942287313) is an individual obstetrics & gynecology provider in Annapolis, Maryland, licensed in Maryland (D0043531) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Gambrills, and is a graduate of Tulane University School Of Medicine (1984).

NPPES Registry Identity

NPI1942287313
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. MARCUS L PENNCredential: M.D.
Location Address2000 MEDICAL PKWY STE 306Annapolis, MD 21401-3745
Mailing Address2003 Medical Pkwy, Suite 370Annapolis, MD 21401-7992 · (410) 571-9700 · Fax (410) 571-9710
Phone(410) 571-9700
Fax(410) 571-9710
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 1984
Enumeration DateDecember 28, 2005
Last NPPES UpdateFebruary 3, 2022
NPPES CertifiedFebruary 3, 2022
✔ NPI 1942287313 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MD · D0043531
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedSpecialistTaxonomy 174400000X · License D0043531 (MD)
2000 MEDICAL PKWY STE 306, Annapolis, MD 21401
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Secondary Practice Location 1

Location 12401 Brandermill Blvd Ste 310Gambrills, MD 21054-1604 · Phone (410) 451-7952 · Fax (410) 451-8954

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marcus L Penn M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315101581
PECOS Enrollment IDI20240723000508
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marcus Penn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Privia Medical Group, LLC
32 mi
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, Maryland enrollment
  • 668 clinicians in this Medicare group
NPI 1013042480 (571) 366-8850

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANGELA CHAROLETT PRICE CRNP
Nurse Practitioner (Women's Health)
2000 MEDICAL PKWY STE 306
ANNAPOLIS, MD 21401
Anne Arundel County (410) 571-9700
BETHANY TILLAR
Nurse Practitioner (Obstetrics & Gynecology)
2000 MEDICAL PKWY STE 306
ANNAPOLIS, MD 21401
Anne Arundel County (410) 571-9700
DR. JESSICA BRANNON RUSSELL M.D.
Obstetrics & Gynecology
2000 MEDICAL PKWY STE 306
ANNAPOLIS, MD 21401
Anne Arundel County (410) 571-9700
DR. LAWRENCE S PRICHEP M.D.
Obstetrics & Gynecology (Gynecology)
2000 MEDICAL PKWY STE 306
ANNAPOLIS, MD 21401
Anne Arundel County (410) 571-9700
CHANTELLE MARIE WALSH
Nurse Practitioner (Women's Health)
2000 MEDICAL PKWY STE 306
ANNAPOLIS, MD 21401
Anne Arundel County (410) 571-9700

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 Marcus Penn's NPI number?

The NPI number for Marcus Penn is 1942287313. It was assigned to this individual provider in the NPPES registry on December 28, 2005.

Where is Marcus Penn located?

Marcus Penn practices at 2000 Medical Pkwy Ste 306, Annapolis, MD 21401. The listed phone number is (410) 571-9700.

What is Marcus Penn's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Marcus Penn enrolled in Medicare?

Yes. Marcus Penn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Marcus Penn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcus Penn reassigns Medicare benefits to Privia Medical Group, LLC (Arlington, VA). The 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 Marcus Penn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marcus Penn accept?

Health plans from Oscar Health list Marcus Penn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marcus Penn was last updated on February 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.