NPPES file of Aug 9, 2026

Vivian Mo, M.D.

Cardiovascular Disease Physician · Los Angeles, CA

Vivian Mo, M.D. is a cardiovascular disease physician with a practice address in Los Angeles, California, and NPI 1639196363, issued on Jul 17, 2006. Check the license (California A100505, 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
1639196363
Name
Vivian Mo
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
A100505 CA
MD19224 RI
L6530 TX
Self-reported in NPPES; status is on the state search
Practice location
1520 San Pablo St, Los Angeles, CA 90033
Phone
(323) 442-6130
Enumerated
Jul 17, 2006
Record last updated
Sep 11, 2023
Medicare enrollment
Enrolled (PECOS I20071109000499); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1520 San Pablo St

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

  1. Frank Acosta, PHDPsychologist1750313490
  2. Gbemisola Adenuga, M.D.Nephrology Physician1952464661
  3. Aimee Aguillon, OTR/L, CHTOccupational Therapist1972677318
  4. Haig Aharonian, M.D.Internal Medicine Physician1205107653
  5. Jamshid Ahmadi, M.D.Neuroradiology Physician1942252028
  6. Mohammad Akmal, M.D.Nephrology Physician1356378087

Verify Vivian Mo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A100505
    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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75% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

761 Medicare Part D claims for 109 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Vivian Mo761
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium98 claims
  2. Metoprolol Succinate76 claims
  3. Furosemide68 claims
  4. Amlodipine Besylate52 claims
  5. Rosuvastatin Calcium38 claims
  6. Eliquis37 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: $607.42

5 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Vivian Mo$607.42
  2. Specialty average$3,819.56

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

Bills Medicare through 2 group practices

  1. Lifespan Physician Group IncProvidence, RI
  2. Usc Care Medical Group IncLos Angeles, CA

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

Vivian Mo among 2,574 cardiovascular disease physician records in California

Vivian Mo, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2001 · median 1999 among the 1,742 with a school on file
  • Record last updated2023 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in California

There are 2,574 cardiovascular disease physician records in California.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. David Brown, MDLos Angeles, CA 900331811922768
  2. Uri Elkayam, M.D.Los Angeles, CA 900331326086489
  3. Ronen Goldkorn, MDLos Angeles, CA 900331629001078
  4. Rory HachamovitchLos Angeles, CA 900331891733937
  5. Jeffrey Hendel, M.D.Los Angeles, CA 900331861433385
  6. Tracy Lawrence, M.D.Los Angeles, CA 900331023046547
  7. Enrique Ostrzega, M.D.Los Angeles, CA 900331053359232
  8. Harry Peled, M.D.Los Angeles, CA 900331912994179

Common questions

What is Vivian Mo, M.D.'s NPI number?

Vivian Mo, M.D.'s National Provider Identifier (NPI) is 1639196363, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Vivian Mo, M.D. located?

The NPPES record lists a practice address at 1520 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-6130. Providers update this record themselves, so call before visiting.

How can I verify Vivian Mo, M.D.'s license?

NPPES lists California license number A100505, 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 Vivian Mo, M.D. prescribe under Medicare Part D?

In 2024, Vivian Mo, M.D. had 761 Medicare Part D claims for 109 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.