NPPES file of Aug 9, 2026

Daniel Harold Karstedt, PA-C

Medical Physician Assistant · Williamsville, NY

Daniel Harold Karstedt, PA-C is a medical physician assistant with a practice address in Williamsville, New York, and NPI 1114412905, issued on Jun 25, 2018. Check the license with the New York board that licenses this profession; 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
1114412905
Name
Daniel Harold Karstedt
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
Practice location
425 Essjay RD, Williamsville, NY 14221
Phone
(716) 630-1140
Enumerated
Jun 25, 2018
Record last updated
Sep 28, 2022
Fax
(716) 250-5959
Medicare enrollment
Enrolled (PECOS I20180827001163); 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 425 Essjay RD

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

  1. Michelle Bauer, DPTPhysical Therapist1700285889
  2. Robert Gatewood, MDCardiovascular Disease Physician1215915681
  3. Ashley Lamb, R.P.A.-CMedical Physician Assistant1124274352
  4. Cindy Miller, PTPhysical Therapist1386652246
  5. David Plache, M.D.Endocrinology, Diabetes & Metabolism Physician1558340505
  6. Michael SillettMedical Physician Assistant1548859366

Verify Daniel Harold Karstedt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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
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41% fewer Medicare Part D claims than the average medical physician assistant in 2024

680 Medicare Part D claims for 353 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Daniel Karstedt680
  2. Specialty average1,148

Most prescribed

  1. Triamcinolone Acetonide123 claims
  2. Ciclopirox93 claims
  3. Mupirocin76 claims
  4. Doxycycline Hyclate61 claims
  5. Clobetasol Propionate56 claims
  6. Metronidazole39 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.

Bills Medicare through one group practice

  1. Buffalo Medical Group, P.C.Williamsville, NY

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

Daniel Harold Karstedt among 3,670 medical physician assistant records in New York

Daniel Harold Karstedt, PA-C is one of 3,670 medical physician assistant records with a practice address in New York. 76% 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 72% of them.

  • NPI issued2018 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2018 · median 2014 among the 1,802 with a school on file
  • Record last updated2022 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

74 medical physician assistant records list a practice address in Williamsville

They are 74 of the 3,530 NPPES records with a practice address in Williamsville, and 3,670 medical physician assistant records in New York.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Alicia Bommersbach, PHYSICIAN ASSISTANTWilliamsville, NY 142211245244516
  2. Pamela Burton, PAWilliamsville, NY 142211669460622
  3. David Dapolito, RPA-CBuffalo, NY 142211386681211
  4. Robyn Emery, RPA-CWilliamsville, NY 142211528023363
  5. Deborah Hamlin, CNPWilliamsville, NY 142211215934294
  6. Michele Lannon, CNPWilliamsville, NY 142211972501609
  7. Susan Nichter, PAWilliamsville, NY 142211700817087
  8. Paul Olizarowicz, RPA-CWilliamsville, NY 142211639128648

Common questions

What is Daniel Harold Karstedt, PA-C's NPI number?

Daniel Harold Karstedt, PA-C's National Provider Identifier (NPI) is 1114412905, issued on Jun 25, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Harold Karstedt, PA-C located?

The NPPES record lists a practice address at 425 Essjay RD, Williamsville, NY, 14221. Phone: (716) 630-1140. Providers update this record themselves, so call before visiting.

How can I verify Daniel Harold Karstedt, PA-C's license?

Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Daniel Harold Karstedt, PA-C prescribe under Medicare Part D?

In 2024, Daniel Harold Karstedt, PA-C had 680 Medicare Part D claims for 353 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.