NPPES file of Aug 9, 2026

Bruce Hammerschlag, M.D.

Anesthesiology Physician · Manhasset, NY

Bruce Hammerschlag, M.D. is an anesthesiology physician with a practice address in Manhasset, New York, and NPI 1689670416, issued on Jun 27, 2005. Check the license (New York 169216, 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, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689670416
Name
Bruce Hammerschlag
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
169216 NY
Self-reported in NPPES; status is on the state search
Practice location
300 Community Dr, Manhasset, NY 11030
Phone
(516) 526-4887
Enumerated
Jun 27, 2005
Record last updated
Nov 5, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicaid ID
01394623 NY
Medicare enrollment
Enrolled (PECOS I20080109000362); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 1985
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 Community Dr

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

  1. Andrea Abbondondolo, PAReligious Nonmedical Nursing Personnel1154441186
  2. Mahmoud AbdelazizInternal Medicine Physician1750814562
  3. Fatima AbidPhysician Assistant1215669346
  4. Ahmed AboseriaStudent in an Organized Health Care Education/Training Program1114777067
  5. Nikil Abraham, CRNACertified Registered Nurse Anesthetist1962180455
  6. Rolson Abraham, RPHPharmacist1346673209

Verify Bruce Hammerschlag 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 169216
    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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score93.3
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. New York UniversityNew York, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Bruce Hammerschlag among 5,062 anesthesiology physician records in New York

Bruce Hammerschlag, M.D. is one of 5,062 anesthesiology physician records with a practice address in New York. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1985 · median 2006 among the 3,612 with a school on file
  • Record last updated2009 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

104 anesthesiology physician records list a practice address in Manhasset

They are 104 of the 2,794 NPPES records with a practice address in Manhasset, and 5,062 anesthesiology physician records in New York.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. David Abrahams, M.D.Manhasset, NY 110301083610786
  2. Jeffrey Cantele, M.D.Manhasset, NY 110301356347157
  3. John Di Capua, M.D.Manhasset, NY 110301275539082
  4. Fariba Faghih, M.D.Manhasset, NY 110301841296662
  5. Madalina Gecui, M.D.Manhasset, NY 110301992701726
  6. Richard Grieco, M.D.Manhasset, NY 110301144226978
  7. Scott Keschner, M.D.Manhasset, NY 110301568468254
  8. Charles Militana, M.D.Manhasset, NY 110301346246196

Common questions

What is Bruce Hammerschlag, M.D.'s NPI number?

Bruce Hammerschlag, M.D.'s National Provider Identifier (NPI) is 1689670416, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Bruce Hammerschlag, M.D. located?

The NPPES record lists a practice address at 300 Community Dr, Manhasset, NY, 11030. Phone: (516) 526-4887. Providers update this record themselves, so call before visiting.

How can I verify Bruce Hammerschlag, M.D.'s license?

NPPES lists New York license number 169216, 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.

What is Bruce Hammerschlag, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.