NPPES file of Aug 9, 2026

Donald Scott Klatt, M.D.

Emergency Medicine Physician · Sonora, CA

Donald Scott Klatt, M.D. is an emergency medicine physician with a practice address in Sonora, California, and NPI 1902878556, issued on Feb 7, 2006. Check the license (California G78119, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902878556
Name
Donald Scott Klatt
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G78119 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 Greenley RD, Sonora, CA 95370
Phone
(209) 536-3460
Enumerated
Feb 7, 2006
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20090102000281); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 1990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1000 Greenley RD

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

  1. Penny Ablin, M.D.Emergency Medicine Physician1861486813
  2. Andrew Addley, CRNACertified Registered Nurse Anesthetist1356976724
  3. Masoud AhmadzaiPharmacist1417520727
  4. Mary Allard, PHARMDPharmacist1013854371
  5. Arturo Alvarez Antezana, MDInternal Medicine Physician1457847154
  6. Charles Black, D.O.Orthopaedic Surgery Physician1790988087

Verify Donald Scott Klatt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G78119
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.1 times the Medicare Part D claims of the average emergency medicine physician in 2024

475 Medicare Part D claims for 348 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Donald Klatt475
  2. Specialty average226

Most prescribed

  1. Doxycycline Hyclate60 claims
  2. Cephalexin54 claims
  3. Albuterol Sulfate Hfa37 claims
  4. Azithromycin35 claims
  5. Prednisone29 claims
  6. Nitrofurantoin Mono-Macro24 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): 79.2 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.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costout of 100 · 30%47.1
  3. Promoting interoperabilityout of 100 · 25%97.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Adventist Health Physicians NetworkSonora, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Donald Scott Klatt among 7,751 emergency medicine physician records in California

Donald Scott Klatt, M.D. is one of 7,751 emergency 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1990 · median 2011 among the 4,560 with a school on file
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 emergency medicine physician records list a practice address in Sonora

They are 14 of the 629 NPPES records with a practice address in Sonora, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Penny Ablin, M.D.Sonora, CA 953701861486813
  2. William Bowie, M.D.Sonora, CA 953701578537932
  3. Blake Cleveland, M.D.Sonora, CA 953701124311253
  4. Donald Dudley, M.D.Sonora, CA 953701497727952
  5. Michael Forster, MDSonora, CA 953701821101577
  6. Ron Hood, MDSonora, CA 953701730292483
  7. Steven Joye, DOSonora, CA 953701497916498
  8. Robert Lyons, M.D.Sonora, CA 953701609846146

Common questions

What is Donald Scott Klatt, M.D.'s NPI number?

Donald Scott Klatt, M.D.'s National Provider Identifier (NPI) is 1902878556, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donald Scott Klatt, M.D. located?

The NPPES record lists a practice address at 1000 Greenley RD, Sonora, CA, 95370. Phone: (209) 536-3460. Providers update this record themselves, so call before visiting.

How can I verify Donald Scott Klatt, M.D.'s license?

NPPES lists California license number G78119, 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 Scott Klatt, M.D. prescribe under Medicare Part D?

In 2024, Donald Scott Klatt, M.D. had 475 Medicare Part D claims for 348 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Donald Scott Klatt, M.D.'s MIPS final score?

The 2023 MIPS final score is 79.2 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.