Mark Kal, M.D.
Family Medicine Physician · Gualala, CA
Mark Kal, M.D. is a family medicine physician with a practice address in Gualala, California, and NPI 1316937931, issued on Oct 25, 2005. Check the license (California G56821, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Kal
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G56821 CA
Self-reported in NPPES; status is on the state search - Practice location
- 46900 Ocean Dr, Gualala, CA 95445
- Phone
- (707) 884-4005
- Enumerated
- Oct 25, 2005
- Record last updated
- Aug 4, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (707) 884-9728
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 46900 Ocean Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joanne Brooks, R.N.Family Medicine Physician1952494817
- Lois Falk, N.P.Nurse Practitioner1346332335
- Leon Koenck, PA CPhysician Assistant1164555769
- Elizabeth Nagle, FNPFamily Nurse Practitioner1851379705
- Roberta Rams, D.D.S.General Practice Dentistry1780776682
- Laundon TransuePhysician Assistant1316644917
Verify Mark Kal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
60 Medicare Part D claims for 38 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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): 73.8 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Mark Kal among 17,133 family medicine physician records in California
Mark Kal, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2014 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family medicine physician records list a practice address in Gualala
They are 3 of the 33 NPPES records with a practice address in Gualala, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Gualala → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joanne Brooks, R.N.Gualala, CA 954451952494817
- Olaf GolubjatnikovGualala, CA 954451336900968
- Steven Bromer, MDGuerneville, CA 954461689671968
- Deette Deville, M.D.Guerneville, CA 954461558528349
- Jared Garrison-Jakel, MDGuerneville, CA 954461962728550
- Ray MakGuerneville, CA 954461972253292
- Richard Andolsen, MDHealdsburg, CA 954481376533638
- Robert Azcarraga, MDHealdsburg, CA 954481477548709
Common questions
What is Mark Kal, M.D.'s NPI number?
Mark Kal, M.D.'s National Provider Identifier (NPI) is 1316937931, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Kal, M.D. located?
The NPPES record lists a practice address at 46900 Ocean Dr, Gualala, CA, 95445. Phone: (707) 884-4005. Providers update this record themselves, so call before visiting.
How can I verify Mark Kal, M.D.'s license?
NPPES lists California license number G56821, 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 Kal, M.D. prescribe under Medicare Part D?
In 2024, Mark Kal, M.D. had 60 Medicare Part D claims for 38 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mark Kal, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.8 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.