NPPES file of Aug 9, 2026

Karin Wells Schiller, MD

Family Medicine Physician · Arroyo Grande, CA

Karin Wells Schiller, MD is a family medicine physician with a practice address in Arroyo Grande, California, and NPI 1700908282, issued on Apr 4, 2007. Check the license (California A77911, 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
1700908282
Name
Karin Wells Schiller
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A77911 CA
Self-reported in NPPES; status is on the state search
Practice location
207 Bridge St, Arroyo Grande, CA 93420
Phone
(805) 481-1975
Enumerated
Apr 4, 2007
Record last updated
Jan 25, 2023
Fax
(805) 481-2360
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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Verify Karin Wells Schiller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A77911
    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

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53% fewer Medicare Part D claims than the average family medicine physician in 2024

1,677 Medicare Part D claims for 275 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 47 claims were for opioids.

  1. Karin Schiller1,677
  2. Specialty average3,544

Most prescribed

  1. Azithromycin143 claims
  2. Atovaquone-Proguanil Hcl119 claims
  3. Levothyroxine Sodium57 claims
  4. Escitalopram Oxalate48 claims
  5. Losartan Potassium40 claims
  6. Metoprolol Succinate39 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.

Karin Wells Schiller among 17,133 family medicine physician records in California

Karin Wells Schiller, MD 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 47% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2023 · 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).

7 family medicine physician records list a practice address in Arroyo Grande

They are 7 of the 462 NPPES records with a practice address in Arroyo Grande, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Joseph Ardito, MDArroyo Grande, CA 934201457544082
  2. George Cury, MDArroyo Grande, CA 934201083643878
  3. Donald HalseyArroyo Grande, CA 934201811917537
  4. Bradley Idelshon, D.O.Arroyo Grande, CA 934201538125745
  5. W Kramer, D.O.Arroyo Grande, CA 934201316962335
  6. Mark Smith, M.D.Arroyo Grande, CA 934201780996371
  7. Donah Bulosan, M.D.Atascadero, CA 934221285719906
  8. Michael Kirschner, D.O.Atascadero, CA 934221982634432

Common questions

What is Karin Wells Schiller, MD's NPI number?

Karin Wells Schiller, MD's National Provider Identifier (NPI) is 1700908282, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karin Wells Schiller, MD located?

The NPPES record lists a practice address at 207 Bridge St, Arroyo Grande, CA, 93420. Phone: (805) 481-1975. Providers update this record themselves, so call before visiting.

How can I verify Karin Wells Schiller, MD's license?

NPPES lists California license number A77911, 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 Karin Wells Schiller, MD prescribe under Medicare Part D?

In 2024, Karin Wells Schiller, MD had 1,677 Medicare Part D claims for 275 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.