Benjamin Angelo Quiamco, M.D.
NPI 1508131939 · Internal Medicine Physician · Roseville, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Angelo Quiamco, M.D. is a Internal Medicine Physician provider in Roseville, CA (NPI 1508131939).
Provider details
- NPI number
- 1508131939
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 125059635 (IL)
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
14 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
1,079 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 734 | $121 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 245 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 60 | $80 |
| Critical Care, First 30-74 Minutes99291 | 40 | $213 |
Typical Medicare-allowed amounts for these services range $80–$213 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 25 | 21 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 21 | 21 |
| Pantoprazole Sodium | 20 | 16 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 | 18 |
| Cefdinir | 19 | 19 |
| Prednisone | 17 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$275 across 2 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
- 2012-03-19
- Last updated
- 2017-01-17
Frequently asked questions
- What is Benjamin Angelo Quiamco's NPI number?
- Benjamin Angelo Quiamco's National Provider Identifier (NPI) is 1508131939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Angelo Quiamco's specialty?
- Benjamin Angelo Quiamco is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Angelo Quiamco located?
- Benjamin Angelo Quiamco's practice location on file with NPPES is 1 Medical Plaza Dr, Roseville, CA 95661-3037.
- What is Benjamin Angelo Quiamco's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Angelo Quiamco is (916) 781-1927.
- Does Benjamin Angelo Quiamco accept Medicare?
- Benjamin Angelo Quiamco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Angelo Quiamco's NPI active?
- Yes — Benjamin Angelo Quiamco's NPI (1508131939) is active in the NPPES registry as of the last update on 2017-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.