Veronika Simanek, M.D.
Internal Medicine Physician · Walnut Creek, CA
Veronika Simanek, M.D. is an internal medicine physician with a practice address in Walnut Creek, California, and NPI 1174556500, issued on Jul 9, 2006. Check the license (California A74252, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Veronika Simanek
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A74252 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2255 Ygnacio Valley RD, Walnut Creek, CA 94598
- Phone
- (925) 937-9984
- Enumerated
- Jul 9, 2006
- Record last updated
- Jun 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (925) 933-4886
- Medicaid ID
- 00A742520 CA
- Medicare enrollment
- Enrolled (PECOS I20040525000527); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2255 Ygnacio Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Veronika Simanek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- John Muir Physician NetworkConcord, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Veronika Simanek among 17,696 internal medicine physician records in California
Veronika Simanek, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1999 · median 2004 among the 11,065 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
183 internal medicine physician records list a practice address in Walnut Creek
They are 183 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Walnut Creek → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anthony Bernens, MDWalnut Creek, CA 945981215983440
- Martin Braker, M.D.Walnut Creek, CA 945981922050095
- Mei Chow-Kwan, MDWalnut Creek, CA 945981689619330
- Lisa Craig, MDWalnut Creek, CA 945981699853754
- Jaya Francis, MDWalnut Creek, CA 945981962580548
- Tarannum Guller, MDWalnut Creek, CA 945981972532083
- Noushin Haddad-Tehrani, MDWalnut Creek, CA 945981215988878
- Waheeda Hiller, MDWalnut Creek, CA 945981689642233
Common questions
What is Veronika Simanek, M.D.'s NPI number?
Veronika Simanek, M.D.'s National Provider Identifier (NPI) is 1174556500, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Veronika Simanek, M.D. located?
The NPPES record lists a practice address at 2255 Ygnacio Valley RD, Walnut Creek, CA, 94598. Phone: (925) 937-9984. Providers update this record themselves, so call before visiting.
How can I verify Veronika Simanek, M.D.'s license?
NPPES lists California license number A74252, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Veronika Simanek, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.