Joel Acab, MD
NPI 1518405661 · Internal Medicine Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joel Acab, MD is a Internal Medicine Physician provider in Walnut Creek, CA (NPI 1518405661).
Provider details
- NPI number
- 1518405661
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A169809 (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 tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 445 | 151 |
| Amlodipine Besylate | 246 | 84 |
| Losartan Potassium | 244 | 80 |
| Levothyroxine Sodium | 205 | 65 |
| Lisinopril | 185 | 74 |
| Fluticasone Propionate | 161 | 67 |
| Gabapentin |
Practice location
Mailing address
Additional practice locations (2)
- 2525 S Michigan AveChicago, IL 60616-2315Phone: (206) 235-3409
- 21507 42nd Ave SG2Seatac, WA 98198-4207Phone: (206) 235-3409
Registry dates
- Enumerated
- 2017-02-09
- Last updated
- 2022-07-21
- Certified
- 2021-01-06
Frequently asked questions
- What is Joel Acab's NPI number?
- Joel Acab's National Provider Identifier (NPI) is 1518405661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Acab's specialty?
- Joel Acab is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joel Acab located?
- Joel Acab's practice location on file with NPPES is 320 Lennon Ln, Walnut Creek, CA 94598-2419.
- What is Joel Acab's phone number?
- The practice phone number listed in the NPPES registry for Joel Acab is (925) 906-2040.
- Does Joel Acab accept Medicare?
- Joel Acab is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joel Acab's NPI active?
- Yes — Joel Acab's NPI (1518405661) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.