Gregory Miller, M.D.
NPI 1225089790 · Pain Medicine (Physical Medicine & Rehabilitation) Physician · Saint Helena, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Miller, M.D. is a Pain Medicine (Physical Medicine & Rehabilitation) Physician provider in Saint Helena, CA (NPI 1225089790).
Provider details
- NPI number
- 1225089790
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G149823 (CA)
Specialties & taxonomies
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
527 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 157 | $87 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 89 | $84 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 74 | $126 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $71 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 76 | 17 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 75 | 20 |
| Methadone Hcl | 58 | — |
| Lorazepam | 43 | 14 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 40 | 11 |
| Gabapentin | 28 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$707 across 24 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
Additional practice locations (1)
- 3838 S 700 ESuite 100Salt Lake City, UT 84106-1466Phone: (801) 269-0231Fax: (801) 269-0304
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2021-09-15
- Certified
- 2021-09-15
Frequently asked questions
- What is Gregory Miller's NPI number?
- Gregory Miller's National Provider Identifier (NPI) is 1225089790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Miller's specialty?
- Gregory Miller is listed in the NPPES registry with a primary specialty of Pain Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Miller located?
- Gregory Miller's practice location on file with NPPES is 10 Woodland Rd, Saint Helena, CA 94574-9554.
- What is Gregory Miller's phone number?
- The practice phone number listed in the NPPES registry for Gregory Miller is (707) 967-5721.
- Does Gregory Miller accept Medicare?
- Gregory Miller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Miller's NPI active?
- Yes — Gregory Miller's NPI (1225089790) is active in the NPPES registry as of the last update on 2021-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.