Quick answers
- Does Timothy H. McCalmont accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy H. McCalmont 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 Timothy H. McCalmont see?
- In 2024, CMS data shows 10,518 Original Medicare patients and 19,278 services for Timothy H. McCalmont. This counts Original Medicare only and measures volume, not quality.
- What is Timothy H. McCalmont's NPI number?
- 1275598732. 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 Timothy H. McCalmont, 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 | 10,518 |
|---|---|
| Services billed to Medicare | 19,278 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)16,390 services
- Special stained specimen slides to examine tissue, initial procedure (88342)679 services
- Surgical pathology consultation and report on referred slides prepared elsewhere (88321)624 services
- Surgical pathology consultation and report on referred material requiring preparation of slides (88323)411 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)332 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 cholesterol75%
- High blood pressure69%
- Arthritis42%
- Ischemic heart disease25%
- Chronic kidney disease20%
- Diabetes19%
Practice locations
Addresses where Timothy H. McCalmont is enrolled with Medicare (CMS data updated October 2, 2026).
- 2725 Mendocino AveSanta Rosa, CA 95403 (707) 545‑4537
- 370 N Wiget Ln, Suite 250Walnut Creek, CA 94598 (925) 278‑7592
Group practices
Medicare enrollment lists Timothy H. McCalmont as a member of these groups (CMS data updated October 2, 2026).
- Golden State Dermatology Associates, Inc.125 clinicians in the group
- Redwood Fam Dermatology Medical Associates - A Medical Corporation17 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Santa Rosa
Clinicians with the same Medicare primary specialty in Santa Rosa, CA — not a recommendation.
Other clinicians in Golden State Dermatology Associates, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275598732 |
| 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