Gary Decrona, M.D.
NPI 1578589214 · Family Medicine Physician · Ukiah, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Decrona, M.D. is a Family Medicine Physician provider in Ukiah, CA (NPI 1578589214).
Provider details
- NPI number
- 1578589214
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G66747 (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
19 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
925 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 | 615 | $108 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 244 | $74 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 29 | $132 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 19 | $55 |
| Removal of Impacted Ear Wax69210 | 18 | $49 |
Typical Medicare-allowed amounts for these services range $49–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 238 | 71 |
| Levothyroxine Sodium | 218 | 61 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 214 | 33 |
| Amlodipine Besylate | 197 | 51 |
| Benazepril Hcl | 178 | 53 |
| Escitalopram Oxalate | 176 | 47 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gary Decrona's NPI number?
- Gary Decrona's National Provider Identifier (NPI) is 1578589214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Decrona's specialty?
- Gary Decrona is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Decrona located?
- Gary Decrona's practice location on file with NPPES is 1369 S Dora St, Ukiah, CA 95482-6512.
- What is Gary Decrona's phone number?
- The practice phone number listed in the NPPES registry for Gary Decrona is (707) 462-9792.
- Does Gary Decrona accept Medicare?
- Gary Decrona is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Decrona's NPI active?
- Yes — Gary Decrona's NPI (1578589214) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.