W. Christopher Ehmann, MD
NPI 1912956160 · Hematology & Oncology Physician · Hershey, PA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
W. Christopher Ehmann, MD is a Hematology & Oncology Physician provider in Hershey, PA (NPI 1912956160).
Provider details
- NPI number
- 1912956160
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD041323E (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
20 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
366 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 126 | $62 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 118 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $92 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 41 | $113 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 39 | $34 |
Typical Medicare-allowed amounts for these services range $34–$113 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Acyclovir | 34 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 31 |
| Zanubrutinibbrand: Brukinsa | 24 |
| Pantoprazole Sodium | 20 |
| Sirolimus | 17 |
| Atovaquone | 12 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 12 |
| Apixabanbrand: Eliquis | 12 |
| Sertraline Hcl | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-08
- Last updated
- 2018-05-14
Frequently asked questions
- What is W. Christopher Ehmann's NPI number?
- W. Christopher Ehmann's National Provider Identifier (NPI) is 1912956160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is W. Christopher Ehmann's specialty?
- W. Christopher Ehmann is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is W. Christopher Ehmann located?
- W. Christopher Ehmann's practice location on file with NPPES is 500 University Dr, Hershey, PA 17033-2360.
- What is W. Christopher Ehmann's phone number?
- The practice phone number listed in the NPPES registry for W. Christopher Ehmann is (717) 531-6585.
- Does W. Christopher Ehmann accept Medicare?
- W. Christopher Ehmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is W. Christopher Ehmann's NPI active?
- Yes — W. Christopher Ehmann's NPI (1912956160) is active in the NPPES registry as of the last update on 2018-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.