Gretchen Maurer, D.O.
NPI 1538609839 · Family Medicine Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Maurer, D.O. is a Family Medicine Physician provider in Allentown, PA (NPI 1538609839).
Provider details
- NPI number
- 1538609839
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- OS020421 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
241 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 72 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $85 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 43 | $75 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $159 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 23 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 67 | 21 |
| Atorvastatin Calcium | 63 | 21 |
| Lisinopril | 52 | 15 |
| Rosuvastatin Calcium | 49 | 14 |
| Gabapentin | 43 | 12 |
| Pregabalin | 39 | — |
| Metformin Hclbrand: Metformin Hcl Er |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-06
- Last updated
- 2020-08-19
- Certified
- 2020-08-19
Frequently asked questions
- What is Gretchen Maurer's NPI number?
- Gretchen Maurer's National Provider Identifier (NPI) is 1538609839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Maurer's specialty?
- Gretchen Maurer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gretchen Maurer located?
- Gretchen Maurer's practice location on file with NPPES is 141 E Emaus Ave, Allentown, PA 18103-5824.
- What is Gretchen Maurer's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Maurer is (610) 791-5930.
- Does Gretchen Maurer accept Medicare?
- Gretchen Maurer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Maurer's NPI active?
- Yes — Gretchen Maurer's NPI (1538609839) is active in the NPPES registry as of the last update on 2020-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.