Immanuel Asuncion, M.D.
NPI 1245254580 · Family Medicine Physician · San Pablo, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Immanuel Asuncion, M.D. is a Family Medicine Physician provider in San Pablo, CA (NPI 1245254580).
Provider details
- NPI number
- 1245254580
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A89792 (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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
714 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 317 | $117 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 89 | $48 |
| Admn Sarscov2 Vacc 1 Dose90480 | 81 | $52 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $90 |
| 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 | 54 | $18 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 611 | 187 |
| Metformin Hcl | 257 | 79 |
| Losartan Potassium | 243 | 64 |
| Lisinopril | 232 | 74 |
| Amlodipine Besylate | 178 | 53 |
| Rosuvastatin Calcium | 177 | 51 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$909 across 40 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 (2)
- 2970 Hilltop Mall RdSuite 304Richmond, CA 94806-1947Phone: (510) 204-8090Fax: (510) 243-1665
- 2970 Hilltop Mall RdSuite 304Richmond, CA 94806-1947Phone: (510) 204-8090Fax: (510) 243-1665
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2019-03-11
Frequently asked questions
- What is Immanuel Asuncion's NPI number?
- Immanuel Asuncion's National Provider Identifier (NPI) is 1245254580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Immanuel Asuncion's specialty?
- Immanuel Asuncion is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Immanuel Asuncion located?
- Immanuel Asuncion's practice location on file with NPPES is 2101 Vale Rd Ste 201, San Pablo, CA 94806.
- What is Immanuel Asuncion's phone number?
- The practice phone number listed in the NPPES registry for Immanuel Asuncion is (510) 233-9140.
- Does Immanuel Asuncion accept Medicare?
- Immanuel Asuncion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Immanuel Asuncion's NPI active?
- Yes — Immanuel Asuncion's NPI (1245254580) is active in the NPPES registry as of the last update on 2019-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.