Carl Wolnisty, M.D.
NPI 1912906140 · Internal Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carl Wolnisty, M.D. is a Internal Medicine Physician provider in Riverside, CA (NPI 1912906140).
Provider details
- NPI number
- 1912906140
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G5804 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 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 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 159 | 52 |
| Lisinopril | 72 | 25 |
| Atenolol | 72 | 18 |
| Levothyroxine Sodium | 71 | 22 |
| Omeprazole | 71 | 29 |
| Atorvastatin Calcium | 68 | 32 |
| Losartan Potassium | 64 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$63 across 3 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
- 2005-07-19
- Last updated
- 2010-08-03
Frequently asked questions
- What is Carl Wolnisty's NPI number?
- Carl Wolnisty's National Provider Identifier (NPI) is 1912906140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carl Wolnisty's specialty?
- Carl Wolnisty is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carl Wolnisty located?
- Carl Wolnisty's practice location on file with NPPES is 3838 Sherman Dr, Riverside, CA 92503-4001.
- What is Carl Wolnisty's phone number?
- The practice phone number listed in the NPPES registry for Carl Wolnisty is (951) 688-5122.
- Does Carl Wolnisty accept Medicare?
- Carl Wolnisty is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carl Wolnisty's NPI active?
- Yes — Carl Wolnisty's NPI (1912906140) is active in the NPPES registry as of the last update on 2010-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.