Arturo Tolentino, M.D.
NPI 1609066018 · Internal Medicine Physician · San Marcos, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arturo Tolentino, M.D. is a Internal Medicine Physician provider in San Marcos, CA (NPI 1609066018).
Provider details
- NPI number
- 1609066018
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A107809 (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 tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 234 | 65 |
| Amlodipine Besylate | 125 | 38 |
| Levothyroxine Sodium | 125 | 26 |
| Lisinopril | 103 | 33 |
| Metformin Hcl | 100 | 31 |
| Losartan Potassium | 89 | 32 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$89 across 4 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
- 2007-07-31
- Last updated
- 2023-03-01
- Certified
- 2023-03-01
Frequently asked questions
- What is Arturo Tolentino's NPI number?
- Arturo Tolentino's National Provider Identifier (NPI) is 1609066018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arturo Tolentino's specialty?
- Arturo Tolentino is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arturo Tolentino located?
- Arturo Tolentino's practice location on file with NPPES is 2085 Montiel Rd Ste 102, San Marcos, CA 92069-3563.
- What is Arturo Tolentino's phone number?
- The practice phone number listed in the NPPES registry for Arturo Tolentino is (833) 867-4642.
- Does Arturo Tolentino accept Medicare?
- Arturo Tolentino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arturo Tolentino's NPI active?
- Yes — Arturo Tolentino's NPI (1609066018) is active in the NPPES registry as of the last update on 2023-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.