What is Ivan Sergejev's NPI number?

Ivan Sergejev's National Provider Identifier (NPI) is 1255324497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ivan Sergejev's specialty?

Ivan Sergejev is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).

Where is Ivan Sergejev located?

Ivan Sergejev's practice location on file with NPPES is 550 1st Ave, New York, NY 10016-6402.

What is Ivan Sergejev's phone number?

The practice phone number listed in the NPPES registry for Ivan Sergejev is (212) 263-5072.

Is Ivan Sergejev's NPI active?

Yes — Ivan Sergejev's NPI (1255324497) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Ivan Sergejev, M.D.

NPI 1255324497 · Anesthesiology Physician · New York, NY

Ivan Sergejev, M.D. is a Anesthesiology Physician provider in New York, NY (NPI 1255324497).

Provider details

NPI number: 1255324497
Entity type: Individual
Primary specialty: Anesthesiology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
License: 209360 (NY)

Specialties & taxonomies

Anesthesiology PhysicianPrimary207L00000XLicense 209360 (NY)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

550 1st Ave

Rusk 607

New York, NY 10016-6402

Phone: (212) 263-5072

Street-level locationGet directions

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Mailing address