NPPES file of Aug 9, 2026

Donald Kettyls, MD

Family Medicine Physician · Los Banos, CA

Donald Kettyls, MD is a family medicine physician with a practice address in Los Banos, California, and NPI 1851887558, issued on Jul 5, 2018. Check the license (California A173802, 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
1851887558
Name
Donald Kettyls
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A173802 CA
Self-reported in NPPES; status is on the state search
Practice location
311 W I St, Los Banos, CA 93635
Phone
(209) 826-2222
Enumerated
Jul 5, 2018
Record last updated
Aug 4, 2021 (not updated in 5 years: call before relying on the address or phone)
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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Also registered at 311 W I St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sina Aghaie, M.D.Internal Medicine Physician1356760045
  2. Vance Angeles, PAPhysician Assistant1952347502
  3. Dmitri De La Cruz, MDPediatrics Physician1154337053
  4. Karthikeya Devireddy, MDInternal Medicine Physician1780615542
  5. Vijay Devireddy, M.D.Internal Medicine Physician1407239148
  6. Stefan ElazierFamily Medicine Physician1669753240

Verify Donald Kettyls in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A173802
    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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5% fewer Medicare Part D claims than the average family medicine physician in 2024

3,369 Medicare Part D claims for 351 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 121 claims were for opioids.

  1. Donald Kettyls3,369
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium288 claims
  2. Amlodipine Besylate145 claims
  3. Metformin Hcl131 claims
  4. Levothyroxine Sodium128 claims
  5. Jardiance100 claims
  6. Famotidine95 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.

Industry payments in 2024: $271.25

14 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. 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.

  1. Donald Kettyls$271.25
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Donald Kettyls among 17,133 family medicine physician records in California

Donald Kettyls, 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 2018, is newer than 82% of them.

  • NPI issued2018 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2021 · 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).

12 family medicine physician records list a practice address in Los Banos

They are 12 of the 441 NPPES records with a practice address in Los Banos, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Pooja Baijal, M.D.Los Banos, CA 936351336281583
  2. Ian Carlo Cadiz, MDLos Banos, CA 936351821733999
  3. Christopher Costa, M.D.Los Banos, CA 936351588669832
  4. Stefan ElazierLos Banos, CA 936351669753240
  5. Rodolfo Garcia, M.D.Los Banos, CA 936351073619805
  6. Daniel Hardy, M.D.Los Banos, CA 936351689679045
  7. Laurie Hedden, MDLos Banos, CA 936351447348461
  8. John Mevi, MDLos Banos, CA 936351902971013

Common questions

What is Donald Kettyls, MD's NPI number?

Donald Kettyls, MD's National Provider Identifier (NPI) is 1851887558, issued on Jul 5, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Donald Kettyls, MD located?

The NPPES record lists a practice address at 311 W I St, Los Banos, CA, 93635. Phone: (209) 826-2222. Providers update this record themselves, so call before visiting.

How can I verify Donald Kettyls, MD's license?

NPPES lists California license number A173802, 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 Donald Kettyls, MD prescribe under Medicare Part D?

In 2024, Donald Kettyls, MD had 3,369 Medicare Part D claims for 351 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.