NPPES file of Aug 9, 2026

Michael David Seiferth, MD

Family Medicine Physician · Willow Street, PA

Michael David Seiferth, MD is a family medicine physician with a practice address in Willow Street, Pennsylvania, and NPI 1104406107, issued on Apr 13, 2021. Check the license (Pennsylvania MD485569, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1104406107
Name
Michael David Seiferth
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD485569 PA
Self-reported in NPPES; status is on the state search
Practice location
222 Willow Valley Lakes Drive, Willow Street, PA 17584
Phone
(667) 777-3189
Enumerated
Apr 13, 2021
Record last updated
Sep 16, 2024
Medicare enrollment
Enrolled (PECOS I20241001004629); accepts Medicare assignment
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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Verify Michael David Seiferth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD485569
    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 Pennsylvania license search

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97% fewer Medicare Part D claims than the average family medicine physician in 2024

108 Medicare Part D claims for 76 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Michael Seiferth108
  2. Specialty average3,544

Most prescribed

  1. Amoxicillin-Clavulanate Potass13 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. Lancaster General Medical GroupWillow Street, PA

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

Michael David Seiferth among 7,483 family medicine physician records in Pennsylvania

Michael David Seiferth, MD is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 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 2021, is newer than 86% of them.

  • NPI issued2021 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2021 · median 2005 among the 4,529 with a school on file
  • Record last updated2024 · 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 family medicine physician records list a practice address in Willow Street

They are 17 of the 144 NPPES records with a practice address in Willow Street, and 7,483 family medicine physician records in Pennsylvania.

The 8 family medicine physician records with the nearest ZIP codes

  1. Robert Aichele, DOWillow Street, PA 175841366485583
  2. Oluwaseun Akangbe, M.DWillow Street, PA 175841891146452
  3. Leanne Beidler, M.D.Willow Street, PA 175841275528655
  4. Daniel Diehl, MDWillow Street, PA 175841396707188
  5. Melanie Falgout, M.D.Willow Street, PA 175841649442476
  6. Richard Frey, DOWillow Street, PA 175841689617789
  7. Marina Gonzalez, MDWillow Street, PA 175841487148565
  8. Ann King, M.D.Willow Street, PA 175841871572560

Common questions

What is Michael David Seiferth, MD's NPI number?

Michael David Seiferth, MD's National Provider Identifier (NPI) is 1104406107, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Michael David Seiferth, MD located?

The NPPES record lists a practice address at 222 Willow Valley Lakes Drive, Willow Street, PA, 17584. Phone: (667) 777-3189. Providers update this record themselves, so call before visiting.

How can I verify Michael David Seiferth, MD's license?

NPPES lists Pennsylvania license number MD485569, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael David Seiferth, MD prescribe under Medicare Part D?

In 2024, Michael David Seiferth, MD had 108 Medicare Part D claims for 76 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.