Mary Harpen, M.D.
NPI 1366897738 · Family Medicine Physician · Harrisburg, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Harpen, M.D. is a Family Medicine Physician provider in Harrisburg, PA (NPI 1366897738).
Provider details
- NPI number
- 1366897738
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
457 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 316 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 104 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 37 | $164 |
Typical Medicare-allowed amounts for these services range $75–$164 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 34 | 31 |
| Amlodipine Besylate | 22 | 13 |
| Metoprolol Succinate | 18 | — |
| Levofloxacin | 17 | 16 |
| Ciprofloxacin Hcl | 16 | 16 |
| Furosemide | 16 | 14 |
| Torsemide | 16 | — |
| Atorvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-04
- Last updated
- 2020-03-09
- Certified
- 2020-03-09
Frequently asked questions
- What is Mary Harpen's NPI number?
- Mary Harpen's National Provider Identifier (NPI) is 1366897738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Harpen's specialty?
- Mary Harpen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Harpen located?
- Mary Harpen's practice location on file with NPPES is 121 N Nyes Rd Ste a, Harrisburg, PA 17112-3247.
- What is Mary Harpen's phone number?
- The practice phone number listed in the NPPES registry for Mary Harpen is (717) 657-4040.
- Does Mary Harpen accept Medicare?
- Mary Harpen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Harpen's NPI active?
- Yes — Mary Harpen's NPI (1366897738) is active in the NPPES registry as of the last update on 2020-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.