Peter Lac, M.D.
NPI 1881617652 · Nephrology Physician · Wildomar, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Lac, M.D. is a Nephrology Physician provider in Wildomar, CA (NPI 1881617652).
Provider details
- NPI number
- 1881617652
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A91135 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,818 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 508 | $100 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 456 | $40 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 347 | $77 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 343 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 306 | $117 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dapagliflozin Propanediolbrand: Farxiga | 326 | 97 |
| Amlodipine Besylate | 290 | 110 |
| Calcitriol | 287 | 85 |
| Losartan Potassium | 249 | 95 |
| Atorvastatin Calcium | 242 | 87 |
| Hydrochlorothiazide | 189 | 71 |
| Semaglutide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$333 across 19 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
Additional practice locations (2)
- 591 E Elder St Ste CFallbrook, CA 92028-5001Phone: (951) 687-7140Fax: (951) 303-3565
- 27851 Bradley RdMenifee, CA 92586-2286Phone: (951) 672-7967Fax: (951) 246-3747
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2021-08-10
- Certified
- 2021-08-10
Frequently asked questions
- What is Peter Lac's NPI number?
- Peter Lac's National Provider Identifier (NPI) is 1881617652, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Lac's specialty?
- Peter Lac is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Lac located?
- Peter Lac's practice location on file with NPPES is 36320 Inland Valley Dr Ste 308, Wildomar, CA 92595-7512.
- What is Peter Lac's phone number?
- The practice phone number listed in the NPPES registry for Peter Lac is (951) 600-7630.
- Does Peter Lac accept Medicare?
- Peter Lac is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Lac's NPI active?
- Yes — Peter Lac's NPI (1881617652) is active in the NPPES registry as of the last update on 2021-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.