NPPES file of Aug 9, 2026

Lawrence Joseph Frost, PA-C

Medical Physician Assistant · Winterhaven, CA

Lawrence Joseph Frost, PA-C is a medical physician assistant with a practice address in Winterhaven, California, and NPI 1780616870, issued on Jul 7, 2006. Check the license (California 55434, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780616870
Name
Lawrence Joseph Frost
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
55434 CA
3282 AZ
5160 WI
Self-reported in NPPES; status is on the state search
Practice location
2133 Winterhaven Drive, Winterhaven, CA 92283
Phone
(760) 538-3073
Enumerated
Jul 7, 2006
Record last updated
Oct 31, 2023
Fax
(760) 205-0016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2133 Winterhaven Drive

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary Buffington, NP-CFamily Nurse Practitioner1699858472
  2. Barbara Wallner, F.N.P.Family Nurse Practitioner1548344856

Verify Lawrence Joseph Frost in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 55434
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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73% fewer Medicare Part D claims than the average medical physician assistant in 2024

306 Medicare Part D claims for 194 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. Lawrence Frost306
  2. Specialty average1,148

Most prescribed

  1. Cephalexin39 claims
  2. Doxycycline Hyclate33 claims
  3. Prednisone29 claims
  4. Albuterol Sulfate Hfa15 claims
  5. Methylprednisolone14 claims
  6. Nitrofurantoin Mono-Macro13 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 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.

  1. Qualityout of 100 · 30% of the final score66.7
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

2 medical physician assistant records list a practice address in Winterhaven

They are 2 of the 90 NPPES records with a practice address in Winterhaven, and 3,376 medical physician assistant records in California.

Other medical physician assistant records in California

  1. Bridget Abajian, PA-CLos Angeles, CA1518677061
  2. Crispin Abbott, PHYSICIAN ASSISTANTThousand Oaks, CA1063467926
  3. Abdol Hamid Abdali Hajiabadi, P.A.Santa Ana, CA1285747964
  4. Jilbert Abnoosian, PALynwood, CA1447300314
  5. Reema Aboelrish, PA-CFresno, CA1376466144
  6. Sakina Abowath, P.A.Diamond Bar, CA1326287525
  7. Selin Abraamyan, PA-CGlendale, CA1144795899
  8. Antonious Abraham, PA-CCovina, CA1003434275
  9. Michelle AbrahamSacramento, CA1952875957
  10. Therese Abraham, P.A.-CGlendale, CA1063726586

Common questions

What is Lawrence Joseph Frost, PA-C's NPI number?

Lawrence Joseph Frost, PA-C's National Provider Identifier (NPI) is 1780616870, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lawrence Joseph Frost, PA-C located?

The NPPES record lists a practice address at 2133 Winterhaven Drive, Winterhaven, CA, 92283. Phone: (760) 538-3073. Providers update this record themselves, so call before visiting.

How can I verify Lawrence Joseph Frost, PA-C's license?

NPPES lists California license number 55434, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Lawrence Joseph Frost, PA-C prescribe under Medicare Part D?

In 2024, Lawrence Joseph Frost, PA-C had 306 Medicare Part D claims for 194 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Lawrence Joseph Frost, PA-C's MIPS final score?

The 2023 MIPS final score is 78.9 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.