NPPES file of Aug 9, 2026

Tram M. Dao, DO

Internal Medicine Physician · Sacramento, CA

Tram M. Dao, DO is an internal medicine physician with a practice address in Sacramento, California, and NPI 1013413210, issued on Apr 5, 2018. Check the license (California 20A19108, 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
1013413210
Name
Tram M. Dao
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
20A19108 CA
325945 NY
Self-reported in NPPES; status is on the state search
Practice location
4159 V Street, Sacramento, CA 95817
Phone
(916) 734-2011
Enumerated
Apr 5, 2018
Record last updated
Jun 27, 2024
Medicare enrollment
Enrolled (PECOS I20260408002595); accepts Medicare assignment
Medical or professional school
Touro Un Col Of Osteopathic Medicine, New York, 2018
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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Verify Tram M. Dao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A19108
    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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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

214 Medicare Part D claims for 100 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Tram Dao214
  2. Specialty average3,176

Most prescribed

  1. Cefdinir18 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncRoseville, CA

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

Tram M. Dao among 17,696 internal medicine physician records in California

Tram M. Dao, DO is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 84% of them.

  • NPI issued2018 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2018 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

601 internal medicine physician records list a practice address in Sacramento

They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nelson Chiang, M.D.Sacramento, CA 958171326021494
  2. Robert Derlet, MDSacramento, CA 958171902887433
  3. Lynne Do, M.D.Sacramento, CA 958171386627644
  4. Jason Ferries, M.D.Sacramento, CA 958171609859974
  5. Steven Griffen, M.D.Sacramento, CA 958171053393835
  6. Diane Haddock, M.D.Sacramento, CA 958171013991553
  7. Calvin Hirsch, MDSacramento, CA 958171073597332
  8. Hershan Johl, MDSacramento, CA 958171255314399

Common questions

What is Tram M. Dao, DO's NPI number?

Tram M. Dao, DO's National Provider Identifier (NPI) is 1013413210, issued on Apr 5, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Tram M. Dao, DO located?

The NPPES record lists a practice address at 4159 V Street, Sacramento, CA, 95817. Phone: (916) 734-2011. Providers update this record themselves, so call before visiting.

How can I verify Tram M. Dao, DO's license?

NPPES lists California license number 20A19108, 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 Tram M. Dao, DO prescribe under Medicare Part D?

In 2024, Tram M. Dao, DO had 214 Medicare Part D claims for 100 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.