Joshua David Perlroth, M.D.
Infectious Disease Physician · Walnut Creek, CA
Joshua David Perlroth, M.D. is an infectious disease physician with a practice address in Walnut Creek, California, and NPI 1881807006, issued on May 7, 2007. Check the license (California A86369, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joshua David Perlroth
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A86369 CA
Self-reported in NPPES; status is on the state search - Practice location
- 365 Lennon LN, Walnut Creek, CA 94598
- Phone
- (925) 947-2334
- Enumerated
- May 7, 2007
- Record last updated
- May 8, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (925) 947-5889
- Medicare enrollment
- Enrolled (PECOS I20070629000439); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 365 Lennon LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jorge Bernett, M.D.Infectious Disease Physician1366460081
- Peter Binstock, M.D.Infectious Disease Physician1487686838
- Devin Callister, M.D.Infectious Disease Physician1376856757
- Jennifer Cheng, D.O.Infectious Disease Physician1669791612
- Bela Chheda, M.D.Infectious Disease Physician1790717049
- Mira Lim, M.D.Ophthalmology Physician1194987628
Verify Joshua David Perlroth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average infectious disease physician in 2024
330 Medicare Part D claims for 52 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Genvoya46 claims
- Odefsey38 claims
- Sulfamethoxazole-Trimethoprim26 claims
- Amoxicillin25 claims
- Lisinopril17 claims
- Cephalexin16 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.
The MIPS final score for 2023 (Medicare payment program): 91.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $150.62
2 payments; by number, the most common kind was food and beverage; the largest payer was La Jolla Pharmaceutical Company. 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
- Bass Medical GroupAlamo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua David Perlroth among 1,119 infectious disease physician records in California
Joshua David Perlroth, 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2002 · median 2003 among the 735 with a school on file
- Record last updated2017 · 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 Walnut Creek → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Jorge Bernett, M.D.Walnut Creek, CA 945981366460081
- Peter Binstock, M.D.Walnut Creek, CA 945981487686838
- Devin Callister, M.D.Walnut Creek, CA 945981376856757
- Jennifer Cheng, D.O.Walnut Creek, CA 945981669791612
- Bela Chheda, M.D.Walnut Creek, CA 945981790717049
- Timothy Jang, MDWalnut Creek, CA 945981801358775
- Bhavna Malik, MDWalnut Creek, CA 945981437231537
- Nimisha Mishra-Shukla, MDWalnut Creek, CA 945981487843942
Common questions
What is Joshua David Perlroth, M.D.'s NPI number?
Joshua David Perlroth, M.D.'s National Provider Identifier (NPI) is 1881807006, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joshua David Perlroth, M.D. located?
The NPPES record lists a practice address at 365 Lennon LN, Walnut Creek, CA, 94598. Phone: (925) 947-2334. Providers update this record themselves, so call before visiting.
How can I verify Joshua David Perlroth, M.D.'s license?
NPPES lists California license number A86369, 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 Joshua David Perlroth, M.D. prescribe under Medicare Part D?
In 2024, Joshua David Perlroth, M.D. had 330 Medicare Part D claims for 52 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Joshua David Perlroth, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.