Roger Ang, M.D.
NPI 1144251497 · Family Medicine Physician · Roseville, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roger Ang, M.D. is a Family Medicine Physician provider in Roseville, CA (NPI 1144251497).
Provider details
- NPI number
- 1144251497
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A62536 (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
1,116 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 | 572 | $135 |
| 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 | 262 | $17 |
| Administration of Influenza Virus VaccineG0008 | 76 | $34 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 72 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $96 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 140 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 446 | 127 |
| Levothyroxine Sodium | 231 | 58 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 222 | 42 |
| Amlodipine Besylate | 216 | 64 |
| Losartan Potassium | 212 | 65 |
| Gabapentin | 201 | 50 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2015-07-29
Frequently asked questions
- What is Roger Ang's NPI number?
- Roger Ang's National Provider Identifier (NPI) is 1144251497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Ang's specialty?
- Roger Ang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Ang located?
- Roger Ang's practice location on file with NPPES is 3100 Douglas Blvd, Roseville, CA 95661-3866.
- What is Roger Ang's phone number?
- The practice phone number listed in the NPPES registry for Roger Ang is (916) 774-8300.
- Does Roger Ang accept Medicare?
- Roger Ang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roger Ang's NPI active?
- Yes — Roger Ang's NPI (1144251497) is active in the NPPES registry as of the last update on 2015-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.