Registry data as of Aug 27, 2026

Erno Grunstein, M.D.

Anesthesiology Physician · New York, NY

Erno Grunstein, M.D. is an anesthesiology physician with a practice address in New York, New York, and NPI 1437227048, issued on Dec 1, 2006. Check the license (New York 176201, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1437227048
Name
Erno Grunstein
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
176201 NY
Self-reported in NPPES; status is on the state search
Practice location
55 E 34TH St, New York, NY 10016
Phone
(718) 815-1000
Enumerated
Dec 1, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 55 E 34TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maria Basile, MDOphthalmology Physician1851595839
  2. Brinda Chellappan, MDDermatology Physician1891373635
  3. Kristine Chu, MDObstetrics & Gynecology Physician1598746471
  4. Morton Davidson, MDInternal Medicine Physician1023081312
  5. Jonathan Gordon, MDOrthopaedic Surgery Physician1720051006
  6. Raymond Keller, M.D.Specialist1285780635

Verify Erno Grunstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 176201
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

98% fewer Medicare Part D claims than the average anesthesiology physician in 2024

19 Medicare Part D claims, against an average of 823 among the 5,474 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Erno Grunstein19
  2. Specialty average823

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $288.21

3 payments, mostly food and beverage; the largest payer was Medtronic, Inc.. The 17,418 providers of this specialty with any payment received $898.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Erno Grunstein$288.21
  2. Specialty average$898.38

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

1,276 anesthesiology physician records list a New York practice address

They are 1,276 of the 98,468 NPPES records with a New York practice address, and 4,656 anesthesiology physician records in New York.

Other anesthesiology physician records in New York

  1. Daniel Aaron, MDOceanside, NY1376506766
  2. Nelson Aaron, MDNewburgh, NY1720079338
  3. Jaime AaronsonNew York, NY1114160074
  4. Adel Abadir, MDBrooklyn, NY1376584151
  5. Nnamdi Abalihi, MDNew York, NY1659935526
  6. Chinedu Abara, MDTroy, NY1023010212
  7. Nabil Abdelmalak, MDStaten Island, NY1528097250
  8. Mark Abel, M.D.Brooklyn, NY1952383622
  9. Richard Abel, M.D.New York, NY1508148016
  10. Jason James Abella, M.DEast Meadow, NY1811420912

Common questions

What is Erno Grunstein, M.D.'s NPI number?

Erno Grunstein, M.D.'s National Provider Identifier (NPI) is 1437227048, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Erno Grunstein, M.D. located?

The NPPES record lists a practice address at 55 E 34TH St, New York, NY, 10016. Phone: (718) 815-1000. Providers update this record themselves, so call before visiting.

How can I verify Erno Grunstein, M.D.'s license?

NPPES lists New York license number 176201, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Erno Grunstein, M.D. prescribe under Medicare Part D?

In 2024, Erno Grunstein, M.D. had 19 Medicare Part D claims; the average among anesthesiology physician prescribers was 823. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.