Eva Monica Janiszewski, MD
General Practice Physician · Mission Viejo, CA
Eva Monica Janiszewski, MD is a general practice physician with a practice address in Mission Viejo, California, and NPI 1396812335, issued on Nov 28, 2006. Check the license (California A62360, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eva Monica Janiszewski
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A62360 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26302 LA Paz RD Ste 214, Mission Viejo, CA 92691
- Phone
- (949) 458-2992
- Enumerated
- Nov 28, 2006
- Record last updated
- May 24, 2025
- Fax
- (949) 458-9992
- Medicare enrollment
- Enrolled (PECOS I20070426000331); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 26302 LA Paz RD Ste 214
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arreanna Marko, DCChiropractor1184445629
Verify Eva Monica Janiszewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A62360Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average general practice physician in 2024
2,658 Medicare Part D claims for 246 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium245 claims
- Levothyroxine Sodium162 claims
- Metformin Hcl152 claims
- Rosuvastatin Calcium146 claims
- Lisinopril138 claims
- Amlodipine Besylate107 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Eva Monica Janiszewski among 1,956 general practice physician records in California
Eva Monica Janiszewski, MD is one of 1,956 general practice physician records with a practice address in California. 48% 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, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1993 · median 1994 among the 520 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Mission Viejo → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Lynn Napoli, M.D.Mission Viejo, CA 926911477558252
- Alexander PrattesMission Viejo, CA 926911144318346
- Don Karabelnik, M.D.Mission Viejo, CA 926921255325411
- Thuy Luu, MDWestminster, CA 926831457301723
- Loi Luu, MDWestminster, CA 926831912961913
- Toufan Mehryan, M.D.Westminster, CA 926831871916841
- Doanh Pham, MDWestminster, CA 926831003054610
- Gurdeep Singh, M.D.Westminster, CA 926831205405529
Common questions
What is Eva Monica Janiszewski, MD's NPI number?
Eva Monica Janiszewski, MD's National Provider Identifier (NPI) is 1396812335, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eva Monica Janiszewski, MD located?
The NPPES record lists a practice address at 26302 LA Paz RD Ste 214, Mission Viejo, CA, 92691. Phone: (949) 458-2992. Providers update this record themselves, so call before visiting.
How can I verify Eva Monica Janiszewski, MD's license?
NPPES lists California license number A62360, 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.
How much does Eva Monica Janiszewski, MD prescribe under Medicare Part D?
In 2024, Eva Monica Janiszewski, MD had 2,658 Medicare Part D claims for 246 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
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.