Gary Johnson, M.D.
NPI 1114013513 · Family Medicine Physician · San Andreas, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Johnson, M.D. is a Family Medicine Physician provider in San Andreas, CA (NPI 1114013513).
Provider details
- NPI number
- 1114013513
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G27755 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,588 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 1,776 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,098 | $122 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 296 | $159 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 253 | $107 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 222 | $143 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 182 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 377 | 111 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 366 | 67 |
| Gabapentin | 343 | 88 |
| Levothyroxine Sodium | 328 | 77 |
| Metoprolol Succinate | 311 | 80 |
| Losartan Potassium | 284 | 74 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$634 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2024-11-05
- Certified
- 2024-11-05
Frequently asked questions
- What is Gary Johnson's NPI number?
- Gary Johnson's National Provider Identifier (NPI) is 1114013513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Johnson's specialty?
- Gary Johnson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Johnson located?
- Gary Johnson's practice location on file with NPPES is 588 W. St.charles Street, San Andreas, CA 95249.
- What is Gary Johnson's phone number?
- The practice phone number listed in the NPPES registry for Gary Johnson is (209) 754-1851.
- Does Gary Johnson accept Medicare?
- Gary Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Johnson's NPI active?
- Yes — Gary Johnson's NPI (1114013513) is active in the NPPES registry as of the last update on 2024-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.