NPPES file of Aug 9, 2026

Jacob Seamus Kammerman, MD

Ophthalmology Physician · Staten Island, NY

Jacob Seamus Kammerman, MD is an ophthalmology physician with a practice address in Staten Island, New York, and NPI 1790285781, issued on Feb 15, 2018. Check the license (New York 346445, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790285781
Name
Jacob Seamus Kammerman
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
346445 NY
Self-reported in NPPES; status is on the state search
Practice location
4299 Hylan Blvd, Staten Island, NY 10312
Phone
(718) 984-7616
Enumerated
Feb 15, 2018
Record last updated
Aug 4, 2026
Fax
(718) 984-8584
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 4299 Hylan Blvd

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

  1. David Gerstenfeld, M.D.Ophthalmology Physician1386618098
  2. Michael Nejat, MDOphthalmology Physician1871576025

Verify Jacob Seamus Kammerman 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 346445
    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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53% fewer Medicare Part D claims than the average ophthalmology physician in 2024

717 Medicare Part D claims for 247 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Jacob Kammerman717
  2. Specialty average1,518

Most prescribed

  1. Latanoprost97 claims
  2. Prednisolone Acetate71 claims
  3. Timolol Maleate49 claims
  4. Dorzolamide-Timolol47 claims
  5. Dorzolamide Hcl38 claims
  6. Erythromycin37 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.

Jacob Seamus Kammerman among 1,822 ophthalmology physician records in New York

Jacob Seamus Kammerman, MD is one of 1,822 ophthalmology physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 93% of them.

  • NPI issued2018 · 93% of these records are older, 6% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 67% of these records are
  • Record last updated2026 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in New York

There are 1,822 ophthalmology physician records in New York.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Suveera Dang, MDStaten Island, NY 103121679132286
  2. David Gerstenfeld, M.D.Staten Island, NY 103121386618098
  3. David Mostafavi, M.D.Staten Island, NY 103121144453671
  4. Michael Nejat, MDStaten Island, NY 103121871576025
  5. Anthony Talorico, M.D.Staten Island, NY 103121518214295
  6. Vito Larocca, MDStaten Island, NY 103141376637991
  7. Joseph Mermelstein, MDStaten Island, NY 103141285743161
  8. Patrick Derespinis, M.D.Staten Island, NY 103061144282997

Common questions

What is Jacob Seamus Kammerman, MD's NPI number?

Jacob Seamus Kammerman, MD's National Provider Identifier (NPI) is 1790285781, issued on Feb 15, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Jacob Seamus Kammerman, MD located?

The NPPES record lists a practice address at 4299 Hylan Blvd, Staten Island, NY, 10312. Phone: (718) 984-7616. Providers update this record themselves, so call before visiting.

How can I verify Jacob Seamus Kammerman, MD's license?

NPPES lists New York license number 346445, 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 Jacob Seamus Kammerman, MD prescribe under Medicare Part D?

In 2024, Jacob Seamus Kammerman, MD had 717 Medicare Part D claims for 247 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

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.