Marie Katherine Schow
Family Medicine Physician · Petaluma, CA
Marie Katherine Schow is a family medicine physician with a practice address in Petaluma, California, and NPI 1437723467, issued on May 14, 2021. Check the license (California 20A21498, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marie Katherine Schow
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A21498 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1179 N Mcdowell Blvd, Petaluma, CA 94954
- Phone
- (707) 559-7500
- Enumerated
- May 14, 2021
- Record last updated
- Jul 22, 2024
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1179 N Mcdowell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marie Katherine Schow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21498Check 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% fewer Medicare Part D claims than the average family medicine physician in 2024
101 Medicare Part D claims for 30 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.
Industry payments in 2024: $15.74
1 payment: food and beverage; the largest payer was Organon Llc. The 55,478 providers of this specialty with any payment received $902.55 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.
Marie Katherine Schow among 17,133 family medicine physician records in California
Marie Katherine Schow 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2024 · 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).
46 family medicine physician records list a practice address in Petaluma
They are 46 of the 1,856 NPPES records with a practice address in Petaluma, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Petaluma → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Andrew Ashcroft, M.D.Petaluma, CA 949541053306795
- Richard Chen, MDPetaluma, CA 949541285602573
- Jonathan Choe, M.D.Petaluma, CA 949541518959170
- Michelle Davey, DOPetaluma, CA 949541366445785
- Patrick Flynn, M.D.Petaluma, CA 949541770567745
- Colleen Foy Sterling, M.D.Petaluma, CA 949541619969326
- Robert Hentz, MDPetaluma, CA 949541720012107
- Audra Lehman, M.D.Petaluma, CA 949541063404762
Common questions
What is Marie Katherine Schow's NPI number?
Marie Katherine Schow's National Provider Identifier (NPI) is 1437723467, issued on May 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marie Katherine Schow located?
The NPPES record lists a practice address at 1179 N Mcdowell Blvd, Petaluma, CA, 94954. Phone: (707) 559-7500. Providers update this record themselves, so call before visiting.
How can I verify Marie Katherine Schow's license?
NPPES lists California license number 20A21498, 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 Marie Katherine Schow prescribe under Medicare Part D?
In 2024, Marie Katherine Schow had 101 Medicare Part D claims for 30 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.