Quick answers
- Does Clifford Gelman accept Medicare assignment?
- Yes. Medicare's clinician data says Clifford Gelman 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 Clifford Gelman see?
- In 2024, CMS data shows 434 Original Medicare patients and 770 services for Clifford Gelman. This counts Original Medicare only and measures volume, not quality.
- What is Clifford Gelman's NPI number?
- 1083688782. 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 Clifford Gelman, 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 | 434 |
|---|---|
| Services billed to Medicare | 770 |
| Different services or procedures | 76 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)227 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)122 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)73 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)63 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)57 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 blood pressure75%
- High cholesterol74%
- Arthritis49%
- Ischemic heart disease29%
- Depression28%
- Chronic kidney disease28%
Hospitals where Clifford Gelman works
Medicare's Facility Affiliation Data lists Clifford Gelman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Health Sierra VistaSan Luis Obispo, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050506
- Adventist Health Twin CitiesTempleton, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050633
- French Hospital Medical CenterSan Luis Obispo, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050232
- Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050107
Practice locations
Addresses where Clifford Gelman is enrolled with Medicare (CMS data updated October 2, 2026).
- 77 Casa St, Suite 103San Luis Obispo, CA 93405 (805) 546‑0411
- 921 Oak Park Blvd, Suite 201Pismo Beach, CA 93449 (805) 546‑0411
Group practices
Medicare enrollment lists Clifford Gelman as a member of this group (CMS data updated October 2, 2026).
- Associated Surgeons of San Luis Obispo12 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in San Luis Obispo
Clinicians with the same Medicare primary specialty in San Luis Obispo, CA — not a recommendation.
Other clinicians in Associated Surgeons of San Luis Obispo
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1083688782 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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