Quick answers
- Does Henry M. Schumaker accept Medicare assignment?
- Yes. Medicare's clinician data says Henry M. Schumaker accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Henry M. Schumaker see?
- In 2024, CMS data shows 136 Original Medicare patients and 253 services for Henry M. Schumaker. This counts Original Medicare only and measures volume, not quality.
- What is Henry M. Schumaker's NPI number?
- 1326083197. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Henry M. Schumaker, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 136 |
|---|---|
| Services billed to Medicare | 253 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)77 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)55 services
- Automated urinalysis test (81003)26 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)18 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol74%
- High blood pressure72%
- Arthritis45%
- Diabetes38%
- Chronic kidney disease23%
- Osteoporosis20%
Practice locations
Addresses where Henry M. Schumaker is enrolled with Medicare (CMS data updated October 2, 2026).
- 10165 Valley View StCypress, CA 90630 (714) 252‑5016
- 13299 S StCerritos, CA 90703 (562) 865‑8750
- 13365 W Washington BlvdLos Angeles, CA 90066 (310) 504‑1825
- 14443 Culver Dr, 14443 AIrvine, CA 92604 (949) 767‑8173
Group practices
Medicare enrollment lists Henry M. Schumaker as a member of this group (CMS data updated October 2, 2026).
- Carbon Health Medical Group of California PC334 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Carbon Health Medical Group of California PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Geisel School Of Medicine At Dartmouth |
| Graduation year | 1978 (48 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326083197 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians