Registry data as of Aug 27, 2026

Tien Vo, MD

Internal Medicine Physician · El Centro, CA

Tien Vo, MD is an internal medicine physician with a practice address in El Centro, California, and NPI 1891964904, issued on Feb 22, 2008. Check the license (California A111104, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1891964904
Name
Tien Vo
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A111104 CA
247260 NY
Self-reported in NPPES; status is on the state search
Practice location
1699 N Imperial Ave, El Centro, CA 92243
Phone
(760) 352-2551
Enumerated
Feb 22, 2008
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.
Download card Updates feed

Also registered at 1699 N Imperial Ave

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

  1. Brooke Burns, D.O.Psychiatry Physician1245644095
  2. Venus NguyenFamily Nurse Practitioner1053705087
  3. John Strong, M.D.Family Medicine Physician1043248719
  4. April Vo, FNP-CPrimary Care Nurse Practitioner1013886167

Verify Tien Vo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A111104
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

5.4 times the Medicare Part D claims of the average internal medicine physician in 2024

14,945 Medicare Part D claims for 1,821 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 143 claims were for opioids.

  1. Tien Vo14,945
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium852 claims
  2. Losartan Potassium712 claims
  3. Metformin Hcl629 claims
  4. Amlodipine Besylate624 claims
  5. Omeprazole583 claims
  6. Levothyroxine Sodium519 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: $511.17

23 payments, mostly food and beverage; the largest payer was Phathom Pharmaceuticals, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tien Vo$511.17
  2. Specialty average$2,536.66

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

Internal Medicine Physician providers in California

There are 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Tien Vo, MD's NPI number?

Tien Vo, MD's National Provider Identifier (NPI) is 1891964904, issued on Feb 22, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tien Vo, MD located?

The NPPES record lists a practice address at 1699 N Imperial Ave, El Centro, CA, 92243. Phone: (760) 352-2551. Providers update this record themselves, so call before visiting.

How can I verify Tien Vo, MD's license?

NPPES lists California license number A111104, 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 Tien Vo, MD prescribe under Medicare Part D?

In 2024, Tien Vo, MD had 14,945 Medicare Part D claims for 1,821 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.