Gretchen Elizabeth Maurer, D.O.
Family Medicine Physician · Allentown, PA
Gretchen Elizabeth Maurer, D.O. is a family medicine physician with a practice address in Allentown, Pennsylvania, and NPI 1538609839, issued on Mar 6, 2017. Check the license (Pennsylvania OS020421, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gretchen Elizabeth Maurer
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS020421 PA
Self-reported in NPPES; status is on the state search - Practice location
- 141 E Emaus Ave, Allentown, PA 18103
- Phone
- (610) 791-5930
- Enumerated
- Mar 6, 2017
- Record last updated
- Aug 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (610) 791-2157
- Medicare enrollment
- Enrolled (PECOS I20200824001474); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2013
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 141 E Emaus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Druck, PACMedical Physician Assistant1013970896
- Frank Sperrazza, D.O.Family Medicine Physician1871820050
- Karine Thevenin, DOFamily Medicine Physician1548405913
Verify Gretchen Elizabeth Maurer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS020421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average family medicine physician in 2024
1,499 Medicare Part D claims for 188 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 59 claims were for opioids.
Most prescribed
- Omeprazole67 claims
- Atorvastatin Calcium63 claims
- Lisinopril52 claims
- Rosuvastatin Calcium49 claims
- Gabapentin43 claims
- Pregabalin39 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
- The Milton S Hershey Medical Center Physicians GroupState College, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gretchen Elizabeth Maurer among 7,483 family medicine physician records in Pennsylvania
Gretchen Elizabeth Maurer, 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 2017, is newer than 76% of them.
- NPI issued2017 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2013 · median 2005 among the 4,529 with a school on file
- Record last updated2020 · 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.
All 7,483 in Pennsylvania → Every provider in Allentown → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Bognet, D.O.Allentown, PA 181031699752162
- Carol Bub, M.D.Allentown, PA 181031215937271
- Cromwell Estrada, DOAllentown, PA 181031194780528
- Elizabeth Khan, M.D.Allentown, PA 181031164410833
- James Martin, MDAllentown, PA 181031598763823
- Robert Matta, DOAllentown, PA 181031679525935
- Dennis McGorry, DOAllentown, PA 181031285684191
- Alan Muto, DOAllentown, PA 181031376510164
Common questions
What is Gretchen Elizabeth Maurer, D.O.'s NPI number?
Gretchen Elizabeth Maurer, D.O.'s National Provider Identifier (NPI) is 1538609839, issued on Mar 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen Elizabeth Maurer, D.O. located?
The NPPES record lists a practice address at 141 E Emaus Ave, Allentown, PA, 18103. Phone: (610) 791-5930. Providers update this record themselves, so call before visiting.
How can I verify Gretchen Elizabeth Maurer, D.O.'s license?
NPPES lists Pennsylvania license number OS020421, 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 Gretchen Elizabeth Maurer, D.O. prescribe under Medicare Part D?
In 2024, Gretchen Elizabeth Maurer, D.O. had 1,499 Medicare Part D claims for 188 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.