Bradford Flagg, M.D.
NPI 1346323086 · Family Medicine Physician · San Ramon, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bradford Flagg, M.D. is a Family Medicine Physician provider in San Ramon, CA (NPI 1346323086).
Provider details
- NPI number
- 1346323086
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G69417 (CA)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,619 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 | 537 | $89 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 231 | $104 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 210 | $49 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 205 | $18 |
| 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 | 102 | $19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 416 | 115 |
| Amlodipine Besylate | 322 | 93 |
| Levothyroxine Sodium | 288 | 72 |
| Rosuvastatin Calcium | 229 | 67 |
| Lisinopril | 133 | 41 |
| Losartan Potassium | 133 | 39 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,305 across 32 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)
- 4165 Blackhawk Plaza Cir Ste 265Danville, CA 94506-4691Phone: (925) 648-7144
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2019-11-14
Frequently asked questions
- What is Bradford Flagg's NPI number?
- Bradford Flagg's National Provider Identifier (NPI) is 1346323086, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bradford Flagg's specialty?
- Bradford Flagg is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bradford Flagg located?
- Bradford Flagg's practice location on file with NPPES is 5601 Norris Canyon Rd, San Ramon, CA 94583.
- What is Bradford Flagg's phone number?
- The practice phone number listed in the NPPES registry for Bradford Flagg is (925) 277-1600.
- Does Bradford Flagg accept Medicare?
- Bradford Flagg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bradford Flagg's NPI active?
- Yes — Bradford Flagg's NPI (1346323086) is active in the NPPES registry as of the last update on 2019-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.