Joslyn Vo, D.O
Pulmonary Disease Physician · San Diego, CA
Joslyn Vo, D.O is a pulmonary disease physician with a practice address in San Diego, California, and NPI 1508398793, issued on Mar 28, 2017. Check the license (California 20A16932, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joslyn Vo
- Credential
- D.O
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 20A16932 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4077 Fifth Ave # Mer35, San Diego, CA 92103
- Phone
- (714) 251-1701
- Enumerated
- Mar 28, 2017
- Record last updated
- May 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20210826002703); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 4077 Fifth Ave # Mer35
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Pranay Bonagiri, DOInternal Medicine Physician1104403591
- Jenna Carlson, DOHospitalist Physician1477180172
Verify Joslyn Vo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A16932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
415 Medicare Part D claims for 121 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa63 claims
- Breyna48 claims
- Prednisone45 claims
- Spiriva Respimat40 claims
- Azithromycin35 claims
- Montelukast Sodium22 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: $22.73
1 payment: food and beverage; the largest payer was Fisher & Paykel Healthcare Inc. The 8,806 providers of this specialty with any payment received $5,159.88 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 one group practice
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joslyn Vo among 1,443 pulmonary disease physician records in California
Joslyn Vo, D.O is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2017 · median 2002 among the 1,061 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in San Diego → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Zea Borok, M.D.San Diego, CA 921031750317251
- Antonino Catanzaro, M.D.San Diego, CA 921031336174002
- Houman Dahi, MDSan Diego, CA 921031598732604
- Smita Desai, D.O.San Diego, CA 921031659339745
- Peter Fedullo, M.D.San Diego, CA 921031427073683
- Mark Fuster, M.D.San Diego, CA 921031972537025
- Gregg Garner, D.O.San Diego, CA 921031023006418
- Hassan Haddadin, M.DSan Diego, CA 921031710918388
Common questions
What is Joslyn Vo, D.O's NPI number?
Joslyn Vo, D.O's National Provider Identifier (NPI) is 1508398793, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Joslyn Vo, D.O located?
The NPPES record lists a practice address at 4077 Fifth Ave # Mer35, San Diego, CA, 92103. Phone: (714) 251-1701. Providers update this record themselves, so call before visiting.
How can I verify Joslyn Vo, D.O's license?
NPPES lists California license number 20A16932, 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 Joslyn Vo, D.O prescribe under Medicare Part D?
In 2024, Joslyn Vo, D.O had 415 Medicare Part D claims for 121 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.