Mark Gerard Kowall, M.D.
Orthopaedic Surgery Physician · Templeton, CA
Mark Gerard Kowall, M.D. is an orthopaedic surgery physician with a practice address in Templeton, California, and NPI 1750455507, issued on Nov 20, 2006. Check the license (California G74354, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Gerard Kowall
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- G74354 CA
Self-reported in NPPES; status is on the state search - Practice location
- 78 S Main St, Templeton, CA 93465
- Phone
- (805) 434-0999
- Enumerated
- Nov 20, 2006
- Record last updated
- Sep 16, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (805) 434-5267
- Medicare enrollment
- Enrolled (PECOS I20080918000210); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1987
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 78 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Mooney, M.D.Orthopaedic Surgery Physician1730253584
Verify Mark Gerard Kowall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
269 Medicare Part D claims for 119 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 175 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen83 claims
- Hydrocodone-Acetaminophen68 claims
- Amoxicillin28 claims
- Tramadol Hcl22 claims
- Methylprednisolone14 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 MIPS final score for 2023 (Medicare payment program): 74.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,098.56
2 payments; by number, the most common kind was consulting fee; the largest payer was Think Surgical, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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 2 group practices
- Adventist Health Physicians NetworkArroyo Grande, CA
- David B. HammerTempleton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Gerard Kowall among 2,276 orthopaedic surgery physician records in California
Mark Gerard Kowall, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% 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, 46% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1987 · median 2003 among the 1,347 with a school on file
- Record last updated2008 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 orthopaedic surgery physician records list a practice address in Templeton
They are 6 of the 326 NPPES records with a practice address in Templeton, and 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Templeton → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Morris Aron, MDTempleton, CA 934651851560429
- Robert Fry, M.D.Templeton, CA 934651679738504
- Mark Mooney, M.D.Templeton, CA 934651730253584
- William Sima, MD INCTempleton, CA 934651770505505
- Newton Smith, M.D.Templeton, CA 934651497751804
- Yolanda Batin-Van Rooyen, M.D.Santa Maria, CA 934551427151935
- Dennis Blackburn, D.O.Santa Maria, CA 934551851353205
- Paul Castello, M.D.Santa Maria, CA 934551669434510
Common questions
What is Mark Gerard Kowall, M.D.'s NPI number?
Mark Gerard Kowall, M.D.'s National Provider Identifier (NPI) is 1750455507, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Gerard Kowall, M.D. located?
The NPPES record lists a practice address at 78 S Main St, Templeton, CA, 93465. Phone: (805) 434-0999. Providers update this record themselves, so call before visiting.
How can I verify Mark Gerard Kowall, M.D.'s license?
NPPES lists California license number G74354, 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 Gerard Kowall, M.D. prescribe under Medicare Part D?
In 2024, Mark Gerard Kowall, M.D. had 269 Medicare Part D claims for 119 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Mark Gerard Kowall, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.2 of 100. 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.