DR. PETER STEPHEN ROSS MD
NPI 1073526430
Internal Medicine - Endocrinology, Diabetes & Metabolism in Fairfax, VA

Q: What is Peter Ross's NPI number?

The NPI number for Peter Ross is 1073526430. It was assigned to this individual provider in the NPPES registry on August 15, 2006.

Q: What is Peter Ross's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Peter Ross was last updated on January 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since August 15, 2006PECOS EnrolledAccepts Medicare Assignment

3650 JOSEPH SIEWICK DR, #305, FAIRFAX, VA 22033(703) 648-1831(703) 648-2552 Get Directions Write a Review

NPPES record last updated: January 21, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Peter Stephen Ross Md NPPES

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

DR. PETER STEPHEN ROSS MD (NPI 1073526430) is an individual endocrinology, diabetes & metabolism provider in Fairfax, Virginia, licensed in Virginia (27171) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1973).

NPPES Registry Identity

NPI1073526430

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameDR. PETER STEPHEN ROSSCredential: MD

Location Address3650 JOSEPH SIEWICK DR, #305Fairfax, VA 22033-1710

Mailing Address1115 58th StSacramento, CA 95819-3937 · (703) 819-2640

Phone(703) 648-1831

Fax(703) 648-2552

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 1973

Enumeration DateAugust 15, 2006

Last NPPES UpdateJanuary 21, 2025

NPPES CertifiedJanuary 21, 2025

✔ NPI 1073526430 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in VA · 27171

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

3650 JOSEPH SIEWICK DR, Fairfax, VA 22033

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Peter Stephen Ross Md 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 ID4981882941

PECOS Enrollment IDI20191107001677

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.

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

25 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

Most-billed visit code 99214

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 20

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

THUY PHUONG THI VO M.D.

Family Medicine

3650 JOSEPH SIEWICK DR, 400
FAIRFAX, VA 22033

Fairfax County (703) 391-2020

KATHERINE BOOKER PT

Physical Therapist

3650 JOSEPH SIEWICK DR, SUITE 308
FAIRFAX, VA 22033

Fairfax County (703) 716-4794

DR. LAURA E. BYRNES M.D.

Pediatrics

3650 JOSEPH SIEWICK DR, STE 101
FAIRFAX, VA 22033

Fairfax County (703) 391-0900

DR. HEON SOO YI M.D.

Family Medicine

3650 JOSEPH SIEWICK DR, SUITE 400
FAIRFAX, VA 22033

Fairfax County (703) 391-2020

VICTORIA LESSINGER MERKEL MD

Family Medicine

3650 JOSEPH SIEWICK DR, STE 400
FAIRFAX, VA 22033

Fairfax County (703) 391-2020

BRENT R AIN MD

Orthopaedic Surgery

3650 JOSEPH SIEWICK DR, SUITE 300
FAIRFAX, VA 22033

Fairfax County (703) 391-0111

SANDY L. CHUNG M.D.

Pediatrics

3650 JOSEPH SIEWICK DR, STE 101
FAIRFAX, VA 22033

Fairfax County (703) 391-0900

DR. BARRY S DICICCO M.D.

Internal Medicine (Pulmonary Disease)

3650 JOSEPH SIEWICK DR, STE 307
FAIRFAX, VA 22033

Fairfax County (703) 391-8804

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 Peter Ross's NPI number?

The NPI number for Peter Ross is 1073526430. It was assigned to this individual provider in the NPPES registry on August 15, 2006.

Where is Peter Ross located?

Peter Ross practices at 3650 Joseph Siewick Dr #305, Fairfax, VA 22033. The listed phone number is (703) 648-1831.

What is Peter Ross's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Peter Ross enrolled in Medicare?

Yes. Peter Ross 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.

When was this NPI record last updated?

The NPPES record for Peter Ross was last updated on January 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.