NPPES file of Aug 9, 2026

Louis David Bierman, D.O.

Family Medicine Physician · Langhorne, PA

Louis David Bierman, D.O. is a family medicine physician with a practice address in Langhorne, Pennsylvania, and NPI 1669434205, issued on Apr 6, 2006. Check the license (Pennsylvania 0S003883L, 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
1669434205
Name
Louis David Bierman
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
0S003883L PA
Self-reported in NPPES; status is on the state search
Practice location
1709 Langhorne Newtown RD, Langhorne, PA 19047
Phone
(215) 968-1900
Enumerated
Apr 6, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(215) 968-1097
Medicaid ID
000705266 PA
Medicare enrollment
Enrolled (PECOS I20111219000368); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1977
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 1709 Langhorne Newtown RD

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

  1. Abby Applebaum, PSYDPsychologist1568743987
  2. Sandy Gorter-Cass, PHDPsychologist1740246032
  3. Deborah Kossmann, PSY.D.Clinical Psychologist1679529994
  4. Jill Noar, D.C.Chiropractor1841318300
  5. Irving Silverstein, D.C.Chiropractor1124144324

Verify Louis David Bierman 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 0S003883L
    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

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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35% fewer Medicare Part D claims than the average family medicine physician in 2024

2,291 Medicare Part D claims for 363 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 80 claims were for opioids.

  1. Louis Bierman2,291
  2. Specialty average3,544

Most prescribed

  1. Alprazolam124 claims
  2. Amlodipine Besylate110 claims
  3. Rosuvastatin Calcium104 claims
  4. Atorvastatin Calcium100 claims
  5. Metoprolol Succinate67 claims
  6. Levothyroxine Sodium65 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: $119.61

7 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Louis Bierman$119.61
  2. Specialty average$902.55

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. Lofts Medical Associates,pcLanghorne, PA

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

Louis David Bierman among 7,483 family medicine physician records in Pennsylvania

Louis David Bierman, D.O. 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1977 · median 2005 among the 4,529 with a school on file
  • Record last updated2007 · 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).

25 family medicine physician records list a practice address in Langhorne

They are 25 of the 1,457 NPPES records with a practice address in Langhorne, and 7,483 family medicine physician records in Pennsylvania.

The 8 family medicine physician records with the nearest ZIP codes

  1. Douglas Anderson, P.A.C.Langhorne, PA 190471083604490
  2. Julius Barkow, D.O.Langhorne, PA 190471366513491
  3. Aldo Ciccotelli, M.D.Langhorne, PA 190471649266313
  4. Jerzy Danielewski, M.D.Penndel, PA 190471477555969
  5. Lisa Ducker, DOLanghorne, PA 190471023125069
  6. Brad Friedmann, D.O.Langhorne, PA 190471922019363
  7. John Lane, MDPenndel, PA 190471285692350
  8. Steven Lipschutz, M.D.Langhorne, PA 190471902847262

Common questions

What is Louis David Bierman, D.O.'s NPI number?

Louis David Bierman, D.O.'s National Provider Identifier (NPI) is 1669434205, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Louis David Bierman, D.O. located?

The NPPES record lists a practice address at 1709 Langhorne Newtown RD, Langhorne, PA, 19047. Phone: (215) 968-1900. Providers update this record themselves, so call before visiting.

How can I verify Louis David Bierman, D.O.'s license?

NPPES lists Pennsylvania license number 0S003883L, 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 Louis David Bierman, D.O. prescribe under Medicare Part D?

In 2024, Louis David Bierman, D.O. had 2,291 Medicare Part D claims for 363 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.