NPPES file of Aug 9, 2026

Jeffrey Kenneth Klingenstein, MD

Gastroenterology Physician · Astoria, NY

Jeffrey Kenneth Klingenstein, MD is a gastroenterology physician with a practice address in Astoria, New York, and NPI 1215948310, issued on Aug 11, 2006. Check the license (New York 134287, 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
1215948310
Name
Jeffrey Kenneth Klingenstein
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
134287 NY
Self-reported in NPPES; status is on the state search
Practice location
2325 31St St Ste 500, Astoria, NY 11105
Phone
(718) 626-2337
Enumerated
Aug 11, 2006
Record last updated
Aug 26, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(718) 626-7655
Medicaid ID
00617905 NY
Medicare enrollment
Enrolled (PECOS I20050504000510); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 1975
Telehealth
Offers telehealth (CMS)
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 2325 31St St Ste 500

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

  1. Dan Cimponeriu, MDGastroenterology Physician1134133218
  2. George Surla, MDGastroenterology Physician1932121456

Verify Jeffrey Kenneth Klingenstein 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 134287
    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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3.2 times the Medicare Part D claims of the average gastroenterology physician in 2024

2,570 Medicare Part D claims for 358 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Jeffrey Klingenstein2,570
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium254 claims
  2. Atorvastatin Calcium179 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf131 claims
  4. Amlodipine Besylate123 claims
  5. Rosuvastatin Calcium91 claims
  6. Linzess86 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.

Industry payments in 2024: $954.97

51 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jeffrey Klingenstein$954.97
  2. Specialty average$5,015.95

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

Bills Medicare through one group practice

  1. Greater New York Gastroenterology LLPRego Park, NY

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

Jeffrey Kenneth Klingenstein among 1,797 gastroenterology physician records in New York

Jeffrey Kenneth Klingenstein, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 44% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1975 · median 1999 among the 1,378 with a school on file
  • Record last updated2019 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in New York

There are 1,797 gastroenterology physician records in New York.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Sabino Augello, M.D.Astoria, NY 111051831138361
  2. Dan Cimponeriu, MDAstoria, NY 111051134133218
  3. Barry Obadiah, M.D.Astoria, NY 111051447256508
  4. Nicholas Roditis, M.D.Astoria, NY 111051932104494
  5. George Surla, MDAstoria, NY 111051932121456
  6. Umeko Takeshige, MDAstoria, NY 111031245341833
  7. Gabriel Castillo, MDAstoria, NY 111021811484835
  8. Soonwook Hong, MDAstoria, NY 111021295225662

Common questions

What is Jeffrey Kenneth Klingenstein, MD's NPI number?

Jeffrey Kenneth Klingenstein, MD's National Provider Identifier (NPI) is 1215948310, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Kenneth Klingenstein, MD located?

The NPPES record lists a practice address at 2325 31St St Ste 500, Astoria, NY, 11105. Phone: (718) 626-2337. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Kenneth Klingenstein, MD's license?

NPPES lists New York license number 134287, 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 Jeffrey Kenneth Klingenstein, MD prescribe under Medicare Part D?

In 2024, Jeffrey Kenneth Klingenstein, MD had 2,570 Medicare Part D claims for 358 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.