NPPES file of Aug 9, 2026

Natalie Czuczman Penn, MD

Gastroenterology Physician · Williamsville, NY

Natalie Czuczman Penn, MD is a gastroenterology physician with a practice address in Williamsville, New York, and NPI 1588152706, issued on Apr 24, 2018. Check the license (New York 30671801, 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
1588152706
Name
Natalie Czuczman Penn
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
30671801 NY
Self-reported in NPPES; status is on the state search
Practice location
60 Maple RD, Williamsville, NY 14221
Phone
(716) 626-5250
Enumerated
Apr 24, 2018
Record last updated
Dec 7, 2025
Fax
(716) 204-9743
Medicare enrollment
Enrolled (PECOS I20240614003025); 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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Also registered at 60 Maple RD

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

  1. Christopher Bartolone, M.D.Gastroenterology Physician1548246788
  2. Peter Bloom, M.D.Gastroenterology Physician1316923253
  3. Carrin Clifford, FNP-BCFamily Nurse Practitioner1245945609
  4. David Fay, M.D.Gastroenterology Physician1942286844
  5. David Garson, M.D.Gastroenterology Physician1457337388
  6. Jerald Giller, M.D.Gastroenterology Physician1376529370

Verify Natalie Czuczman Penn 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 30671801
    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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65% fewer Medicare Part D claims than the average gastroenterology physician in 2024

281 Medicare Part D claims for 115 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Natalie Penn281
  2. Specialty average811

Most prescribed

  1. Omeprazole73 claims
  2. Ondansetron Odt40 claims
  3. Pantoprazole Sodium31 claims
  4. Peg-3350 And Electrolytes25 claims
  5. Gavilyte-G18 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: $244.00

12 payments; by number, the most common kind was food and beverage; the largest payer was Celltrion USA 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. Natalie Penn$244.00
  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. Gastroenterology Associates LLPWilliamsville, NY

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

Natalie Czuczman Penn among 1,797 gastroenterology physician records in New York

Natalie Czuczman Penn, 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 2018, is newer than 93% of them.

  • NPI issued2018 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2018 · median 1999 among the 1,378 with a school on file
  • Record last updated2025 · 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. Christopher Bartolone, M.D.Williamsville, NY 142211548246788
  2. Peter Bloom, M.D.Williamsville, NY 142211316923253
  3. Joseph Caruana, M.D.Williamsville, NY 142211134123417
  4. James Corasanti, MD, PHDWilliamsville, NY 142211750347068
  5. David Fay, M.D.Williamsville, NY 142211942286844
  6. David Garson, M.D.Williamsville, NY 142211457337388
  7. Jerald Giller, M.D.Williamsville, NY 142211376529370
  8. Richard Kaplan, M.D.Williamsville, NY 142211184600975

Common questions

What is Natalie Czuczman Penn, MD's NPI number?

Natalie Czuczman Penn, MD's National Provider Identifier (NPI) is 1588152706, issued on Apr 24, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Natalie Czuczman Penn, MD located?

The NPPES record lists a practice address at 60 Maple RD, Williamsville, NY, 14221. Phone: (716) 626-5250. Providers update this record themselves, so call before visiting.

How can I verify Natalie Czuczman Penn, MD's license?

NPPES lists New York license number 30671801, 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 Natalie Czuczman Penn, MD prescribe under Medicare Part D?

In 2024, Natalie Czuczman Penn, MD had 281 Medicare Part D claims for 115 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.