DR. BOBAK ROBERT MOZAYENI M.D.
NPI 1174677587
Internal Medicine - Rheumatology in Gaithersburg, MD

Q: What is Bobak Mozayeni's NPI number?

The NPI number for Bobak Mozayeni is 1174677587. It was assigned to this individual provider in the NPPES registry on January 23, 2007. The provider is also known as B. Robert Mozayeni M.D..

Q: What is Bobak Mozayeni's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: Is Bobak Mozayeni enrolled in Medicare?

No. Bobak Mozayeni has opted out of Medicare through July 24, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Bobak Mozayeni was last updated on March 18, 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 January 23, 2007Opted out of Medicare · through Jul 24, 2028

910 CLOPPER ROAD, SUITE 220 SOUTH, GAITHERSBURG, MD 20878(240) 221-0000(240) 221-0441 Get Directions Write a Review

NPPES record last updated: March 18, 2025. Verified against the NPPES registry weekly; last sync: September 27, 2026.

On this page

About Dr. Bobak Robert Mozayeni M.d. NPPES

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

DR. BOBAK ROBERT MOZAYENI M.D. (NPI 1174677587) is an individual rheumatology provider in Gaithersburg, Maryland, licensed in Maryland (D42423) and active in the NPI registry since January 2007. He has opted out of Medicare through July 24, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1174677587

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. BOBAK ROBERT MOZAYENICredential: M.D.

Location Address910 CLOPPER ROAD, SUITE 220 SOUTHGaithersburg, MD 20878

Mailing Address910 Clopper Road, Suite 220 SouthGaithersburg, MD 20878 · (240) 221-0000 · Fax (240) 221-0441

Phone(240) 221-0000

Fax(240) 221-0441

Sole ProprietorNo

Enumeration DateJanuary 23, 2007

Last NPPES UpdateMarch 18, 2025

NPPES CertifiedMarch 18, 2025

✔ NPI 1174677587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in MD · D42423

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Also ListedInternal MedicineTaxonomy 207R00000X · License D42423 (MD)

910 CLOPPER ROAD, Gaithersburg, MD 20878

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Other Names 1

Professional Name (2)B. Robert Mozayeni M.d.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Bobak Robert Mozayeni M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 24, 2012 through July 24, 2028.

Opt-Out Effective DateJuly 24, 2012

Opt-Out In Effect ThroughJuly 24, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20878 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.

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 Bobak Mozayeni's NPI number?

The NPI number for Bobak Mozayeni is 1174677587. It was assigned to this individual provider in the NPPES registry on January 23, 2007. The provider is also known as B. Robert Mozayeni M.D..

Where is Bobak Mozayeni located?

Bobak Mozayeni practices at 910 Clopper Road Suite 220 South, Gaithersburg, MD 20878. The listed phone number is (240) 221-0000.

What is Bobak Mozayeni's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Bobak Mozayeni enrolled in Medicare?

No. Bobak Mozayeni has opted out of Medicare through July 24, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Bobak Mozayeni was last updated on March 18, 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.