John Williston Harris, M.D.
Infectious Disease Physician · Burbank, CA
John Williston Harris, M.D. is an infectious disease physician with a practice address in Burbank, California, and NPI 1356648703, issued on Feb 22, 2011. Check the license (California A137473, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Williston Harris
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A137473 CA
Self-reported in NPPES; status is on the state search - Practice location
- 501 S Buena Vista St, Burbank, CA 91505
- Phone
- (818) 500-0935
- Enumerated
- Feb 22, 2011
- Record last updated
- Nov 24, 2025
- Fax
- (818) 500-0728
- Medicaid ID
- GR0007180 CA
- Medicare enrollment
- Enrolled (PECOS I20150914000554); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 501 S Buena Vista St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tracy Acklin, RNCase Management Registered Nurse1770373508
- Kristine Adaimy, BSN, RN, PHN, CENEmergency Registered Nurse1205634144
- Sergey Akopov, M.D.Neurology Physician1669566147
- Hanna Amanuel, LCSW, MPHClinical Social Worker1801443189
- Allen Ameri, M.D.Infectious Disease Physician1922362425
- Jose Avalos, FNPFamily Nurse Practitioner1982086278
Verify John Williston Harris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A137473Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average infectious disease physician in 2024
555 Medicare Part D claims for 119 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Biktarvy82 claims
- Genvoya48 claims
- Ceftriaxone38 claims
- Symtuza29 claims
- Tivicay29 claims
- Odefsey24 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: $181.15
11 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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
- Infectious Disease Consultants Med GPBurbank, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Williston Harris among 1,119 infectious disease physician records in California
John Williston Harris, M.D. is one of 1,119 infectious disease 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 2011, is newer than 72% of them.
- NPI issued2011 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2008 · median 2003 among the 735 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Burbank → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Allen Ameri, M.D.Burbank, CA 915051922362425
- Karen Tsujimoto, M.D.Burbank, CA 915051174598122
- Francine Hanberg, MDBurbank, CA 915061114984366
- Russell Klein, MDEncino, CA 914361467436568
- Alan Nazarian, M.D.Encino, CA 914361831126739
- Ramee Younes, M.D.Encino, CA 914361417337452
- Myron Berdischewsky, M.D.Studio City, CA 916041013068931
- Timothy Mess, M.D.Van Nuys, CA 914051043280076
Common questions
What is John Williston Harris, M.D.'s NPI number?
John Williston Harris, M.D.'s National Provider Identifier (NPI) is 1356648703, issued on Feb 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John Williston Harris, M.D. located?
The NPPES record lists a practice address at 501 S Buena Vista St, Burbank, CA, 91505. Phone: (818) 500-0935. Providers update this record themselves, so call before visiting.
How can I verify John Williston Harris, M.D.'s license?
NPPES lists California license number A137473, 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 John Williston Harris, M.D. prescribe under Medicare Part D?
In 2024, John Williston Harris, M.D. had 555 Medicare Part D claims for 119 beneficiaries; the average among infectious disease physician prescribers was 689. 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.