Hans Schoellhammer, MD
NPI 1861684938 · Surgical Oncology Physician · Lancaster, CA
Enrolled with Medicare as Practitioner - Surgical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hans Schoellhammer, MD is a Surgical Oncology Physician provider in Lancaster, CA (NPI 1861684938).
Provider details
- NPI number
- 1861684938
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A96976 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
555 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 | 106 | $101 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 101 | $141 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 66 | $55 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 42 | $184 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 40 | $242 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 2 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 59 | 55 |
| Cephalexin | 34 | 20 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-13
- Last updated
- 2020-11-10
- Certified
- 2020-11-10
Frequently asked questions
- What is Hans Schoellhammer's NPI number?
- Hans Schoellhammer's National Provider Identifier (NPI) is 1861684938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hans Schoellhammer's specialty?
- Hans Schoellhammer is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Hans Schoellhammer located?
- Hans Schoellhammer's practice location on file with NPPES is 44151 15th St W, Lancaster, CA 93534-4079.
- What is Hans Schoellhammer's phone number?
- The practice phone number listed in the NPPES registry for Hans Schoellhammer is (661) 902-5600.
- Does Hans Schoellhammer accept Medicare?
- Hans Schoellhammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hans Schoellhammer's NPI active?
- Yes — Hans Schoellhammer's NPI (1861684938) is active in the NPPES registry as of the last update on 2020-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.