NPPES file of Aug 9, 2026

John T. Cho, M.D.

Family Medicine Physician · Walnut Creek, CA

John T. Cho, M.D. is a family medicine physician with a practice address in Walnut Creek, California, and NPI 1609816107, issued on Jun 7, 2006. Check the license (California A68082, 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
1609816107
Name
John T. Cho
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A68082 CA
Self-reported in NPPES; status is on the state search
Practice location
1450 Treat Blvd, Walnut Creek, CA 94597
Phone
(925) 296-9720
Enumerated
Jun 7, 2006
Record last updated
Apr 2, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(925) 296-9034
Medicaid ID
00A680820 CA
Medicare enrollment
Enrolled (PECOS I20090313000421); accepts Medicare assignment
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 1450 Treat Blvd

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

  1. Lauren Ables, D.O.Family Medicine Physician1710413299
  2. Andrea Agcaoili, D.O.Family Medicine Physician1265775035
  3. Sonal Aggarwal, MDFamily Medicine Physician1336336411
  4. Deborah Arce, M.D.Internal Medicine Physician1841215605
  5. Cynthia AshbrookAllergy & Immunology Physician1386786408
  6. Chanda Banwat, M.D.Internal Medicine Physician1750584389

Verify John T. Cho in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A68082
    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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91% fewer Medicare Part D claims than the average family medicine physician in 2024

319 Medicare Part D claims for 266 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. John Cho319
  2. Specialty average3,544

Most prescribed

  1. Paxlovid43 claims
  2. Cephalexin37 claims
  3. Amoxicillin-Clavulanate Potass34 claims
  4. Doxycycline Hyclate32 claims
  5. Albuterol Sulfate Hfa21 claims
  6. Lidocaine Hcl Viscous16 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): 85.7 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 score82.7
  2. Costout of 100 · 30%70.6
  3. Promoting interoperabilityout of 100 · 25%99.0
  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. John Muir Physician NetworkConcord, CA

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

John T. Cho among 17,133 family medicine physician records in California

John T. Cho, M.D. 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1996 · median 2005 among the 10,652 with a school on file
  • Record last updated2014 · 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).

116 family medicine physician records list a practice address in Walnut Creek

They are 116 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Russell Alpert, M.D.Walnut Creek, CA 945971235182544
  2. Grace Chou, M.D.Walnut Creek, CA 945971053309369
  3. Robert Eidus, MDWalnut Creek, CA 945971215901871
  4. Lance Gee, M.D.Walnut Creek, CA 945971497731665
  5. Deborah Greer, M.D.Walnut Creek, CA 945971003851858
  6. Lawren Hicks, M.D.Walnut Creek, CA 945971619912680
  7. Seigfred Jalalon, M.D.Walnut Creek, CA 945971043231038
  8. Keith Johnson, MDWalnut Creek, CA 945971568449494

Common questions

What is John T. Cho, M.D.'s NPI number?

John T. Cho, M.D.'s National Provider Identifier (NPI) is 1609816107, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John T. Cho, M.D. located?

The NPPES record lists a practice address at 1450 Treat Blvd, Walnut Creek, CA, 94597. Phone: (925) 296-9720. Providers update this record themselves, so call before visiting.

How can I verify John T. Cho, M.D.'s license?

NPPES lists California license number A68082, 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 T. Cho, M.D. prescribe under Medicare Part D?

In 2024, John T. Cho, M.D. had 319 Medicare Part D claims for 266 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is John T. Cho, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.7 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.