DR. ALEXANDER MAZEROV MD
NPI 1437544533
Anesthesiology in New York, NY

Q: What is Alexander Mazerov's NPI number?

The NPI number for Alexander Mazerov is 1437544533. It was assigned to this individual provider in the NPPES registry on April 6, 2015.

Q: What is Alexander Mazerov's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Alexander Mazerov was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 April 06, 2015PECOS EnrolledAccepts Medicare Assignment

ONE GUSTAVE L. LEVY PLACE, NEW YORK, NY 10029(212) 241-6500 Get Directions Write a Review

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 2, 2025, Mar 21, 2019, Mar 8, 2019 (3 updates tracked since 2019).

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About Dr. Alexander Mazerov Md NPPES

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

DR. ALEXANDER MAZEROV MD (NPI 1437544533) is an individual anesthesiology provider in New York, New York, licensed in New York (297259) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1437544533

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. ALEXANDER MAZEROVCredential: MD

Location AddressONE GUSTAVE L. LEVY PLACENew York, NY 10029

Mailing AddressAnesthesiology Department Of Mount Sinai, Po Box 28082New York, NY 10087 · (212) 987-3100

Phone(212) 241-6500

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateApril 6, 2015

Last NPPES UpdateSeptember 2, 20253 updates tracked since enumeration

NPPES CertifiedSeptember 2, 2025

✔ NPI 1437544533 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in NY · 297259

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

ONE GUSTAVE L. LEVY PLACE, New York, NY 10029

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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. Alexander Mazerov 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 ID5395081996

PECOS Enrollment IDI20190617003045

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.

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

18 services18 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Sinai Hospital

Acute Care Hospitals · New York, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330024

LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County

Emergency services Birthing friendly

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.

DR. ANNE YIN MDCM

Student in an Organized Health Care Education/Training Program

ONE GUSTAVE L. LEVY PLACE, DEPARTMENT OF UROLOGY, THE ICAHN SCHOOL OF MEDICINE AT
NEW YORK, NY 10029

New York County (917) 763-5913

DR. ROBERT S. COPELAND-HALPERIN M.D.

Internal Medicine (Cardiovascular Disease)

ONE GUSTAVE L. LEVY PLACE, MOUNT SINAI
NEW YORK, NY 10029

New York County (212) 659-8551

ERIC BEAN MD

Student in an Organized Health Care Education/Training Program

ONE GUSTAVE L. LEVY PLACE, DEPARTMENT OF PSYCHIATRY
NEW YORK, NY 10029

New York County (212) 523-4000

MS. MAURA B ELESPURU NP

Nurse Practitioner (Family)

ONE GUSTAVE L. LEVY PLACE, MOUNT SINAI HOSPITAL
NEW YORK, NY 10029

New York County (212) 241-6768

GISELA GONZALEZ MD

Student in an Organized Health Care Education/Training Program

ONE GUSTAVE L. LEVY PLACE, BOX 1259
NEW YORK, NY 10029

New York County (212) 241-5972

BRENDAN DAVID ROSS

Psychiatry & Neurology (Psychiatry)

ONE GUSTAVE L. LEVY PLACE
NEW YORK, NY 10029

New York County (212) 659-8734

SARAH JACQUELINE NESSEN

Student in an Organized Health Care Education/Training Program

ONE GUSTAVE L. LEVY PLACE, DEPARTMENT OF MEDICINE BOX #1118
NEW YORK, NY 10029

New York County (646) 596-0029

SAMANTHA AYCART PA-C

Physician Assistant

ONE GUSTAVE L. LEVY PLACE
NEW YORK, NY 10029

New York County (212) 241-6500

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 Alexander Mazerov's NPI number?

The NPI number for Alexander Mazerov is 1437544533. It was assigned to this individual provider in the NPPES registry on April 6, 2015.

Where is Alexander Mazerov located?

Alexander Mazerov practices at One Gustave L. Levy Place, New York, NY 10029. The listed phone number is (212) 241-6500.

What is Alexander Mazerov's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Alexander Mazerov enrolled in Medicare?

Yes. Alexander Mazerov 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.

Is Alexander Mazerov affiliated with any hospitals?

According to CMS data, Alexander Mazerov is affiliated with Mount Sinai Hospital.

When was this NPI record last updated?

The NPPES record for Alexander Mazerov was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.