Vannarith So, MD, MPH
Internal Medicine Physician · Long Beach, CA
Vannarith So, MD, MPH is an internal medicine physician with a practice address in Long Beach, California, and NPI 1659416584, issued on Feb 20, 2007. Check the license (California A85885, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Vannarith So
- Credential
- MD, MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A85885 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1777 N Bellflower Blvd, Long Beach, CA 90815
- Phone
- (562) 986-6138
- Enumerated
- Feb 20, 2007
- Record last updated
- Jan 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (562) 986-6382
- Medicare enrollment
- Enrolled (PECOS I20071121000594); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1777 N Bellflower Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Liza Alexander-Dean, D.P.M.Specialist1053428078
- Ramona Bolosan, LAC, LMTSpecialist1801081955
- Stewart Brown, M.D.Orthopaedic Hand Surgery Physician1811086077
- John Drennan, DDSGeneral Practice Dentistry1689694416
- Megan Dumont, CCC-SLPSpeech-Language Pathologist1063657914
- Mallory Feinberg, D.C.Chiropractor1952625816
Verify Vannarith So in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A85885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.9 times the Medicare Part D claims of the average internal medicine physician in 2024
15,556 Medicare Part D claims for 766 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 284 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,264 claims
- Amlodipine Besylate643 claims
- Losartan Potassium436 claims
- Pantoprazole Sodium435 claims
- Gabapentin399 claims
- Eliquis385 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: $38.37
2 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Prohealth Partners, A Medical GroupLong Beach, CA
- Vannarith SO MD A Professional CorporationLong Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vannarith So among 17,696 internal medicine physician records in California
Vannarith So, MD, MPH 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 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).
221 internal medicine physician records list a practice address in Long Beach
They are 221 of the 13,650 NPPES records with a practice address in Long Beach, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Long Beach → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Cornelia Barton, MDLong Beach, CA 908151205999265
- Diana Bryant, MDLong Beach, CA 908151255425146
- Thomas Hendon, M.D.Long Beach, CA 908151093745853
- Lance Hirano, MDLong Beach, CA 908151386751576
- Rozalie Jackson, MDLong Beach, CA 908151700086667
- Vasanthi Jeyakumar, MDLong Beach, CA 908151811994437
- Kenneth Labowe, M.D.Long Beach, CA 908151528288172
- Patricia Maciog, MDLong Beach, CA 908151063436509
Common questions
What is Vannarith So, MD, MPH's NPI number?
Vannarith So, MD, MPH's National Provider Identifier (NPI) is 1659416584, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Vannarith So, MD, MPH located?
The NPPES record lists a practice address at 1777 N Bellflower Blvd, Long Beach, CA, 90815. Phone: (562) 986-6138. Providers update this record themselves, so call before visiting.
How can I verify Vannarith So, MD, MPH's license?
NPPES lists California license number A85885, 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 Vannarith So, MD, MPH prescribe under Medicare Part D?
In 2024, Vannarith So, MD, MPH had 15,556 Medicare Part D claims for 766 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.