Peter Lac, M.D.
Nephrology Physician · Wildomar, CA
Peter Lac, M.D. is a nephrology physician with a practice address in Wildomar, California, and NPI 1881617652, issued on Jul 25, 2006. Check the license (California A91135, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter Lac
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A91135 CA
Self-reported in NPPES; status is on the state search - Practice location
- 36320 Inland Valley Dr Ste 308, Wildomar, CA 92595
- Phone
- (951) 600-7630
- Enumerated
- Jul 25, 2006
- Record last updated
- Aug 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (951) 600-7164
- Medicare enrollment
- Enrolled (PECOS I20060901000360); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 36320 Inland Valley Dr Ste 308
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Reenaben Patel, MDInternal Medicine Physician1285049221
- Jerry Yu, MDNephrology Physician1740523133
Verify Peter Lac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A91135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average nephrology physician in 2024
4,955 Medicare Part D claims for 534 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Farxiga326 claims
- Amlodipine Besylate290 claims
- Calcitriol287 claims
- Losartan Potassium249 claims
- Atorvastatin Calcium242 claims
- Hydrochlorothiazide189 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.
Industry payments in 2024: $332.66
19 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Nephrology Associates Medical Group IncMenifee, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Lac among 1,468 nephrology physician records in California
Peter Lac, M.D. 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 fileYes · 77% of these records are
- Graduated2003 · median 2001 among the 1,128 with a school on file
- 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).
6 nephrology physician records list a practice address in Wildomar
They are 6 of the 937 NPPES records with a practice address in Wildomar, and 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Wildomar → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- David Chang, M.D.Wildomar, CA 925951043266240
- Shankha Nandi, D.O.Wildomar, CA 925951437326410
- Rachel Roan, MDWildomar, CA 925951003496894
- Weng-Lih Wang, M.D.Wildomar, CA 925951467499145
- Jerry Yu, MDWildomar, CA 925951740523133
- Mohamad Altriki, MDTemecula, CA 925921619061736
- Duc Quach, MDTemecula, CA 925921922567379
- Eric YanMenifee, CA 925861225115892
Common questions
What is Peter Lac, M.D.'s NPI number?
Peter Lac, M.D.'s National Provider Identifier (NPI) is 1881617652, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Lac, M.D. located?
The NPPES record lists a practice address at 36320 Inland Valley Dr Ste 308, Wildomar, CA, 92595. Phone: (951) 600-7630. Providers update this record themselves, so call before visiting.
How can I verify Peter Lac, M.D.'s license?
NPPES lists California license number A91135, 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 Peter Lac, M.D. prescribe under Medicare Part D?
In 2024, Peter Lac, M.D. had 4,955 Medicare Part D claims for 534 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.