Richard Gilliam, M.D.
NPI 1891791265 · Family Medicine Physician · Monterey, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Gilliam, M.D. is a Family Medicine Physician provider in Monterey, CA (NPI 1891791265).
Provider details
- NPI number
- 1891791265
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G85035 (CA)
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
21 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
699 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 322 | $136 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 287 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 90 | $96 |
Typical Medicare-allowed amounts for these services range $17–$136 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 88 |
| Lisinopril | 31 |
| Amlodipine Besylate | 30 |
| Rosuvastatin Calcium | 29 |
| Oxycodone Hcl | 24 |
| Metformin Hcl | 24 |
| Atorvastatin Calcium | 19 |
| Clonazepam | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-21
- Last updated
- 2013-09-16
Frequently asked questions
- What is Richard Gilliam's NPI number?
- Richard Gilliam's National Provider Identifier (NPI) is 1891791265, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Gilliam's specialty?
- Richard Gilliam is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Gilliam located?
- Richard Gilliam's practice location on file with NPPES is 2440 Fremont St Ste 102b, Monterey, CA 93940-6850.
- What is Richard Gilliam's phone number?
- The practice phone number listed in the NPPES registry for Richard Gilliam is (831) 646-3190.
- Does Richard Gilliam accept Medicare?
- Richard Gilliam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Gilliam's NPI active?
- Yes — Richard Gilliam's NPI (1891791265) is active in the NPPES registry as of the last update on 2013-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.