NPPES file of Aug 9, 2026

Matthew Nussbaum, D.O.

Family Medicine Physician · Allentown, PA

Matthew Nussbaum, D.O. is a family medicine physician with a practice address in Allentown, Pennsylvania, and NPI 1356548978, issued on Jun 28, 2007. Check the license (Pennsylvania OS013791, 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
1356548978
Name
Matthew Nussbaum
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
OS013791 PA
Self-reported in NPPES; status is on the state search
Practice location
1941 W Hamilton St, Allentown, PA 18104
Phone
(610) 776-1603
Enumerated
Jun 28, 2007
Record last updated
Sep 9, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080714000238); accepts Medicare assignment
Medical or professional school
Ohio University, College Of Osteopathic Medicine, 2005
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 1941 W Hamilton St

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

  1. Kate Bierce, MPAS, PA-CMedical Physician Assistant1154639284
  2. C Riedel, D.O.Obstetrics & Gynecology Physician1629066923
  3. Denise Stein, CRNPNurse Practitioner1861431033
  4. Scott Stein, PA-CMedical Physician Assistant1790716256

Verify Matthew Nussbaum 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 OS013791
    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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3.9 times the Medicare Part D claims of the average family medicine physician in 2024

13,741 Medicare Part D claims for 803 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 563 claims were for opioids.

  1. Matthew Nussbaum13,741
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium787 claims
  2. Levothyroxine Sodium570 claims
  3. Amlodipine Besylate485 claims
  4. Omeprazole364 claims
  5. Lisinopril355 claims
  6. Pantoprazole Sodium332 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. Lehigh Valley Physician GroupAllentown, PA

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

Matthew Nussbaum among 7,483 family medicine physician records in Pennsylvania

Matthew Nussbaum, 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 2007, is newer than 47% of them.

  • NPI issued2007 · 47% of these records are older, 46% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2005 · median 2005 among the 4,529 with a school on file
  • Record last updated2008 · 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).

208 family medicine physician records list a practice address in Allentown

They are 208 of the 5,904 NPPES records with a practice address in Allentown, and 7,483 family medicine physician records in Pennsylvania.

The 8 family medicine physician records with the nearest ZIP codes

  1. John Connelly, DOAllentown, PA 181041013982867
  2. Joseph Habig, MDAllentown, PA 181041811949340
  3. Danny Hernandez, MDAllentown, PA 181041316920390
  4. Sweety Jain, MDAllentown, PA 181041902860968
  5. Michele Jones, DOAllentown, PA 181041437135357
  6. Drew Keister, M.D.Allentown, PA 181041407849862
  7. Fred Laufer, MDAllentown, PA 181041619957651
  8. Neilson Mathews, M.D.Allentown, PA 181041114920915

Common questions

What is Matthew Nussbaum, D.O.'s NPI number?

Matthew Nussbaum, D.O.'s National Provider Identifier (NPI) is 1356548978, issued on Jun 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Nussbaum, D.O. located?

The NPPES record lists a practice address at 1941 W Hamilton St, Allentown, PA, 18104. Phone: (610) 776-1603. Providers update this record themselves, so call before visiting.

How can I verify Matthew Nussbaum, D.O.'s license?

NPPES lists Pennsylvania license number OS013791, 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 Matthew Nussbaum, D.O. prescribe under Medicare Part D?

In 2024, Matthew Nussbaum, D.O. had 13,741 Medicare Part D claims for 803 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.