NPPES file of Aug 9, 2026

John M. Schwartzberg, D.O.

Family Medicine Physician · Rocky Point, NY

John M. Schwartzberg, D.O. is a family medicine physician with a practice address in Rocky Point, New York, and NPI 1669823878, issued on Jun 29, 2016. Check the license (New York 296402, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669823878
Name
John M. Schwartzberg
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
296402 NY
Self-reported in NPPES; status is on the state search
Practice location
346 Route 25A Ste 34, Rocky Point, NY 11778
Phone
(631) 315-7747
Enumerated
Jun 29, 2016
Record last updated
Jun 23, 2025
Fax
(631) 980-4144
Medicare enrollment
Enrolled (PECOS I20190618001117); accepts Medicare assignment
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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Verify John M. Schwartzberg 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 296402
    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

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8% fewer Medicare Part D claims than the average family medicine physician in 2024

3,275 Medicare Part D claims for 290 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 87 claims were for opioids.

  1. John Schwartzberg3,275
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium361 claims
  2. Amlodipine Besylate145 claims
  3. Levothyroxine Sodium133 claims
  4. Metoprolol Succinate130 claims
  5. Lisinopril115 claims
  6. Gabapentin79 claims

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 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 score64.0
  2. Costout of 100 · 30%57.7
  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. Allied Physicians Group, PLLCRocky Point, NY

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

John M. Schwartzberg among 6,417 family medicine physician records in New York

John M. Schwartzberg, D.O. is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 74% of them.

  • NPI issued2016 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2016 · median 2007 among the 4,188 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 family medicine physician records list a practice address in Rocky Point

They are 4 of the 303 NPPES records with a practice address in Rocky Point, and 6,417 family medicine physician records in New York.

The 8 family medicine physician records with the nearest ZIP codes

  1. John Gil, MDRocky Point, NY 117781376541912
  2. David Prentiss, M.D.Rocky Point, NY 117781407852940
  3. Hannah Root, MDRocky Point, NY 117781316566110
  4. Khadiga Ahmed, DOLake Ronkonkoma, NY 117791053817296
  5. Lewis Bateman, MDPort Jefferson, NY 117771396749669
  6. Henry Best, D.O.Port Jefferson, NY 117771588753628
  7. Jessica Blydenburgh, D.O.Port Jefferson, NY 117771144548918
  8. Rhonda Burmeister, DOPort Jefferson, NY 117771144306341

Common questions

What is John M. Schwartzberg, D.O.'s NPI number?

John M. Schwartzberg, D.O.'s National Provider Identifier (NPI) is 1669823878, issued on Jun 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is John M. Schwartzberg, D.O. located?

The NPPES record lists a practice address at 346 Route 25A Ste 34, Rocky Point, NY, 11778. Phone: (631) 315-7747. Providers update this record themselves, so call before visiting.

How can I verify John M. Schwartzberg, D.O.'s license?

NPPES lists New York license number 296402, 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 John M. Schwartzberg, D.O. prescribe under Medicare Part D?

In 2024, John M. Schwartzberg, D.O. had 3,275 Medicare Part D claims for 290 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is John M. Schwartzberg, D.O.'s MIPS final score?

The 2023 MIPS final score is 76.5 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.