MARK AUREL NAGY MD, PHD
NPI 1811637945
Ophthalmology in San Francisco, CA

Q: What is Mark Nagy's NPI number?

The NPI number for Mark Nagy is 1811637945. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Q: What is Mark Nagy's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Nagy was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 March 29, 2022PECOS Enrolled

490 ILLINOIS STREET, 5TH FLOOR, SAN FRANCISCO, CA 94158(415) 353-2020 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 16, 2026, Apr 4, 2024 (2 updates tracked since 2024).

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About Mark Aurel Nagy Md, Phd NPPES

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

MARK AUREL NAGY MD, PHD (NPI 1811637945) is an individual ophthalmology provider in San Francisco, California, licensed in California (A188894) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2022).

NPPES Registry Identity

NPI1811637945

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameMARK AUREL NAGYCredential: MD, PHD

Location Address490 ILLINOIS STREET, 5TH FLOORSan Francisco, CA 94158

Mailing Address490 Illinois St, Floor 5San Francisco, CA 94158 · (415) 476-1239

Phone(415) 353-2020

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 2022

Enumeration DateMarch 29, 2022

Last NPPES UpdateApril 16, 20262 updates tracked since enumeration

NPPES CertifiedApril 16, 2026

✔ NPI 1811637945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · A188894

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License A188894 (CA)

490 ILLINOIS STREET, 5TH FLOOR, San Francisco, CA 94158

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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 (PECOS)

Mark Aurel Nagy Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1456731686

PECOS Enrollment IDI20260423000785

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94158 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

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.

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 Mark Nagy's NPI number?

The NPI number for Mark Nagy is 1811637945. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Where is Mark Nagy located?

Mark Nagy practices at 490 Illinois Street, 5th Floor, San Francisco, CA 94158. The listed phone number is (415) 353-2020.

What is Mark Nagy's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Mark Nagy enrolled in Medicare?

Yes. Mark Nagy is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Nagy was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.