NPPES file of Aug 9, 2026

Michael W. Karp, M.D.

Pediatrics Physician · Vista, CA

Michael W. Karp, M.D. is a pediatrics physician with a practice address in Vista, California, and NPI 1295808632, issued on Nov 15, 2006. Check the license (California G65498, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1295808632
Name
Michael W. Karp
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
G65498 CA
Self-reported in NPPES; status is on the state search
Practice location
2067 W Vista Way Ste 280, Vista, CA 92083
Phone
(760) 941-3630
Enumerated
Nov 15, 2006
Record last updated
Feb 4, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(760) 941-1214
Medicaid ID
00G654980 CA
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 2067 W Vista Way Ste 280

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

  1. Lynette Asselin, D.O.Pediatrics Physician1053484568
  2. Diane Bedrosian, M.D.Pediatrics Physician1447323951
  3. Michael Krak, M.D.Pediatrics Physician1003989419

Verify Michael W. Karp in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G65498
    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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average pediatrics physician in 2024

16 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Michael Karp16
  2. Specialty average375

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: $40.18

2 payments; by number, the most common kind was food and beverage; the largest payer was kaleo, Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Karp$40.18
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Michael W. Karp among 9,272 pediatrics physician records in California

Michael W. Karp, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 56% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2015 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 pediatrics physician records list a practice address in Vista

They are 29 of the 2,017 NPPES records with a practice address in Vista, and 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Ramin Amani, MDVista, CA 920831659366292
  2. Stanley Ambo, MDVista, CA 920831891735676
  3. Lynette Asselin, D.O.Vista, CA 920831053484568
  4. David Austin, M.D.Vista, CA 920831265434096
  5. Diane Bedrosian, M.D.Vista, CA 920831447323951
  6. Jorge Castro, M.D.Vista, CA 920831326082868
  7. Michael Krak, M.D.Vista, CA 920831003989419
  8. Brian Luschwitz, M.D.Vista, CA 920831205868510

Common questions

What is Michael W. Karp, M.D.'s NPI number?

Michael W. Karp, M.D.'s National Provider Identifier (NPI) is 1295808632, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael W. Karp, M.D. located?

The NPPES record lists a practice address at 2067 W Vista Way Ste 280, Vista, CA, 92083. Phone: (760) 941-3630. Providers update this record themselves, so call before visiting.

How can I verify Michael W. Karp, M.D.'s license?

NPPES lists California license number G65498, 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 Michael W. Karp, M.D. prescribe under Medicare Part D?

In 2024, Michael W. Karp, M.D. had 16 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.