Mark P. Rutkowski, MD
Nephrology Physician · Baldwin Park, CA
Mark P. Rutkowski, MD is a nephrology physician with a practice address in Baldwin Park, California, and NPI 1760553721, issued on Nov 13, 2006. Check the license (California G83326, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark P. Rutkowski
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G83326 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Phone
- (626) 851-1011
- Enumerated
- Nov 13, 2006
- Record last updated
- Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 1011 Baldwin Park Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Julia Aburto-Erazo, NPNurse Practitioner1922175777
- Mauricio Acevedo, MDInternal Medicine Physician1659442614
- Helen Achio, PHARM.D.Pharmacist1225114614
- Olufemi Adenuga, M.D, MPHPulmonary Disease Physician1134389125
- Soma Agarwal, MDOphthalmology Physician1437220316
Verify Mark P. Rutkowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83326Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average nephrology physician in 2024
25 Medicare Part D claims for 13 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Mark P. Rutkowski among 1,468 nephrology physician records in California
Mark P. Rutkowski, MD is one of 1,468 nephrology physician records with a practice address in California. 88% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Baldwin Park → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Mary Kalpakian, M.D.Baldwin Park, CA 917061134395726
- Abdalla Mallouk, MDBaldwin Park, CA 917061558375790
- Kimdeep Mangat, MDBaldwin Park, CA 917061245301209
- Nichole Mihara, MDBaldwin Park, CA 917061538230578
- Yungpo Wang, MDBaldwin Park, CA 917061639228919
- Madhu Sudan, MDCovina, CA 917221679674923
- Ranjit Cordeiro, M.D.Covina, CA 917231417950957
- Krishna Mohan, MDCovina, CA 917231477645786
Common questions
What is Mark P. Rutkowski, MD's NPI number?
Mark P. Rutkowski, MD's National Provider Identifier (NPI) is 1760553721, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark P. Rutkowski, MD located?
The NPPES record lists a practice address at 1011 Baldwin Park Blvd, Baldwin Park, CA, 91706. Phone: (626) 851-1011. Providers update this record themselves, so call before visiting.
How can I verify Mark P. Rutkowski, MD's license?
NPPES lists California license number G83326, 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 Mark P. Rutkowski, MD prescribe under Medicare Part D?
In 2024, Mark P. Rutkowski, MD had 25 Medicare Part D claims for 13 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.