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DR. NANCY ROSENBLATT MARKUS M.D.
NPI 1972509875
Surgery - Surgical Oncology in Rockville, MD

Active since June 24, 2005PECOS Enrolled
9711 MEDICAL CENTER DR, STE 112, ROCKVILLE, MD 20850(301) 251-7797(301) 251-9145 Get Directions Write a Review

NPPES record last updated: January 27, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Nancy Rosenblatt Markus M.d. NPPES

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

DR. NANCY ROSENBLATT MARKUS M.D. (NPI 1972509875) is an individual surgical oncology provider in Rockville, Maryland, licensed in Maryland (D0046514) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972509875
Entity TypeIndividualFemale
Primary Taxonomy2086X0206X
Provider Legal NameDR. NANCY ROSENBLATT MARKUSCredential: M.D.
Location Address9711 MEDICAL CENTER DR, STE 112Rockville, MD 20850-3381
Mailing Address9715 Medical Center Dr, Ste 327Rockville, MD 20850-3320 · (301) 251-7797 · Fax (301) 251-9145
Phone(301) 251-7797
Fax(301) 251-9145
Sole ProprietorNo
Enumeration DateJune 24, 2005
Last NPPES UpdateJanuary 27, 2015
✔ NPI 1972509875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
License✔ Licensed in MD · D0046514
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
Also ListedSpecialistTaxonomy 174400000X · License D0046514 (MD)
9711 MEDICAL CENTER DR, Rockville, MD 20850
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Other Identifiers 3

Medicare UPINF89412MD
Medicare ID-Type UnspecifiedG01336N01MD
Medicaid553300700MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nancy Rosenblatt Markus M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Nancy Markus reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medical Faculty Associates, Inc
16 mi
Anesthesiology
2150 PENNSYLVANIA AVE NW, SUITE 10-409A
Washington, DC 20037
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,275 clinicians in this Medicare group
NPI 1417990581 (202) 741-3350

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20850 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
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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 19

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

MS. BERIT ANNE SILVA CRNP
Specialist
9711 MEDICAL CENTER DR, SUITE 308
ROCKVILLE, MD 20850
Montgomery County (301) 251-1244
EMILY ECKERLEY LESCH D.O.
Obstetrics & Gynecology
9711 MEDICAL CENTER DR, SUITE 109
ROCKVILLE, MD 20850
Montgomery County (301) 762-5501
DR. SHIRLEY ANN OLSEN M.D.
Legal Medicine
9711 MEDICAL CENTER DR, SUITE 100
ROCKVILLE, MD 20850
Montgomery County (301) 251-2600
DR. VICTOR WITTEN M.D.
Internal Medicine (Gastroenterology)
9711 MEDICAL CENTER DR, SUITE 308
ROCKVILLE, MD 20850
Montgomery County (301) 251-0015
DR. MARK STEVEN GLOGER M.D.
Internal Medicine (Gastroenterology)
9711 MEDICAL CENTER DR, SUITE 308
ROCKVILLE, MD 20850
Montgomery County (301) 251-1244
DR. RORY CHRISTOPHER BYRNE M.D.
General Practice
9711 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Montgomery County (410) 707-5904
ORTHOCARE SOLUTIONS INC
Durable Medical Equipment & Medical Supplies
9711 MEDICAL CENTER DR, SUITE 201
ROCKVILLE, MD 20850
Montgomery County (301) 990-1640
ORTHOTIC SOLUTIONS, LLC
Specialist
9711 MEDICAL CENTER DR, SUITE 106
ROCKVILLE, MD 20850
Montgomery County (240) 403-1770

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 Nancy Markus's NPI number?

The NPI number for Nancy Markus is 1972509875. It was assigned to this individual provider in the NPPES registry on June 24, 2005.

Where is Nancy Markus located?

Nancy Markus practices at 9711 Medical Center Dr Ste 112, Rockville, MD 20850. The listed phone number is (301) 251-7797.

What is Nancy Markus's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Is Nancy Markus enrolled in Medicare?

Yes. Nancy Markus is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nancy Markus's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Markus reassigns Medicare benefits to Medical Faculty Associates, Inc (Washington, DC). 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 Nancy Markus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nancy Markus was last updated on January 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.