John M. Koostra, M.D.
Pulmonary Disease Physician · Monterey, CA
John M. Koostra, M.D. is a pulmonary disease physician with a practice address in Monterey, California, and NPI 1922058437, issued on May 12, 2006. Check the license (California G75276, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John M. Koostra
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- G75276 CA
Self-reported in NPPES; status is on the state search - Practice location
- 30 Garden CT, Monterey, CA 93940
- Phone
- (831) 646-8570
- Enumerated
- May 12, 2006
- Record last updated
- May 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (831) 646-5435
- Medicare enrollment
- Enrolled (PECOS I20080613000573); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 30 Garden CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John M. Koostra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75276Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% more Medicare Part D claims than the average pulmonary disease physician in 2024
2,803 Medicare Part D claims for 474 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Trelegy Ellipta382 claims
- Albuterol Sulfate Hfa363 claims
- Montelukast Sodium216 claims
- Spiriva Respimat159 claims
- Prednisone133 claims
- Doxycycline Hyclate119 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): 84 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).
Industry payments in 2024: $2,850.72
102 payments; by number, the most common kind was food and beverage; the largest payer was Mylan Specialty L.P. The 8,806 providers of this specialty with any payment received $5,159.88 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 one group practice
- County OF MontereySalinas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Koostra among 1,443 pulmonary disease physician records in California
John M. Koostra, M.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1991 · median 2002 among the 1,061 with a school on file
- Record last updated2016 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Monterey → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Antonette Ajayi, MDMonterey, CA 939401225456643
- Shinkai Hakimi, M.D.Monterey, CA 939401477758340
- Kenneth Juenger, MDMonterey, CA 939401336436039
- Forest Mealey, D.O.Monterey, CA 939401780664136
- Paul MontgomeryMonterey, CA 939401124489539
- Hans Poggemeyer, M.D.Monterey, CA 939401518917897
- Nupur Sinha, M.D.Monterey, CA 939401720312671
- Marta Zulik, MDMonterey, CA 939401578588554
Common questions
What is John M. Koostra, M.D.'s NPI number?
John M. Koostra, M.D.'s National Provider Identifier (NPI) is 1922058437, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John M. Koostra, M.D. located?
The NPPES record lists a practice address at 30 Garden CT, Monterey, CA, 93940. Phone: (831) 646-8570. Providers update this record themselves, so call before visiting.
How can I verify John M. Koostra, M.D.'s license?
NPPES lists California license number G75276, 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 John M. Koostra, M.D. prescribe under Medicare Part D?
In 2024, John M. Koostra, M.D. had 2,803 Medicare Part D claims for 474 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is John M. Koostra, M.D.'s MIPS final score?
The 2023 MIPS final score is 84 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.