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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK BENJAMIN GERSTEN MD
NPI 1972589794
Internal Medicine in Bayside, NY

Active since December 22, 2005PECOS Enrolled
58 47 FRANCIS LEWIS BLVD, SUITE 204, BAYSIDE, NY 11364(718) 229-6688 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Aug 31, 2016 (2 updates tracked since 2016).

About Dr. Mark Benjamin Gersten Md NPPES

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

DR. MARK BENJAMIN GERSTEN MD (NPI 1972589794) is an individual internal medicine provider in Bayside, New York, licensed in New York (124702) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972589794
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARK BENJAMIN GERSTENCredential: MD
Location Address58 47 FRANCIS LEWIS BLVD, SUITE 204Bayside, NY 11364
Mailing Address260 Middle Neck Rd, Apt 3bGreat Neck, NY 11021-1158 · (516) 482-4174
Phone(718) 229-6688
Sole ProprietorNo
Enumeration DateDecember 22, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1972589794 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 124702
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
58 47 FRANCIS LEWIS BLVD, Bayside, NY 11364
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Other Identifiers 1

Medicaid00325484NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Benjamin Gersten Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11364 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
$153.13 typical visit price
range $67.00 – $201.98
Typical copayment $38.28 (range $16.75 – $50.49)
Most-billed visit code 99204
Established Patient
$116.96 typical visit price
range $21.62 – $163.52
Typical copayment $29.24 (range $5.40 – $40.88)
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 Mark Gersten's NPI number?

The NPI number for Mark Gersten is 1972589794. It was assigned to this individual provider in the NPPES registry on December 22, 2005.

Where is Mark Gersten located?

Mark Gersten practices at 58 47 Francis Lewis Blvd Suite 204, Bayside, NY 11364. The listed phone number is (718) 229-6688.

What is Mark Gersten's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mark Gersten enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Mark Gersten was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.