Jamal Julian Zaka, M. D.
Pulmonary Disease Physician · Walnut Creek, CA
Jamal Julian Zaka, M. D. is a pulmonary disease physician with a practice address in Walnut Creek, California, and NPI 1053581769, issued on Mar 10, 2008. Check the license (California A113378, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jamal Julian Zaka
- Credential
- M. D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- A113378 CA
MD433282 PA
Self-reported in NPPES; status is on the state search - Practice location
- 130 LA Casa Via, Walnut Creek, CA 94598
- Phone
- (925) 944-0166
- Enumerated
- Mar 10, 2008
- Record last updated
- Jul 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20110805000552); 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 130 LA Casa Via
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emily Brama, RN, MSN, FNP, NP-CNurse Practitioner1952696684
- Angela Christian, N.P.Nurse Practitioner1023442167
- Michael Cohen, M.D.Critical Care Medicine (Internal Medicine) Physician1205885779
- David Cook, MDAllergy & Immunology Physician1740282425
Verify Jamal Julian Zaka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A113378Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
298 Medicare Part D claims for 67 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Albuterol Sulfate Hfa90 claims
- Trelegy Ellipta44 claims
- Montelukast Sodium39 claims
- Wixela Inhub21 claims
- Spiriva Handihaler14 claims
- Breo Ellipta13 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): 90.1 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: $579.58
23 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, 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
- Bass Medical GroupAlamo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jamal Julian Zaka among 1,443 pulmonary disease physician records in California
Jamal Julian Zaka, M. D. 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 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2002 · median 2002 among the 1,061 with a school on file
- Record last updated2025 · 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 Walnut Creek → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Elvio Ardilles, MDWalnut Creek, CA 945981518905322
- Vala Berjis, M.D.Walnut Creek, CA 945981023135761
- Ka Ling (karin) Cheung, M.D.Walnut Creek, CA 945981881643831
- Anne Grzegorczyk, M.D.Walnut Creek, CA 945981720434004
- George Juan, M.D.Walnut Creek, CA 945981619273364
- Matthew LyonsWalnut Creek, CA 945981457714933
- Ming-Tyh Maa, M.D.Walnut Creek, CA 945981073718722
- Frederick Nachtwey, M.D.Walnut Creek, CA 945981710901822
Common questions
What is Jamal Julian Zaka, M. D.'s NPI number?
Jamal Julian Zaka, M. D.'s National Provider Identifier (NPI) is 1053581769, issued on Mar 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jamal Julian Zaka, M. D. located?
The NPPES record lists a practice address at 130 LA Casa Via, Walnut Creek, CA, 94598. Phone: (925) 944-0166. Providers update this record themselves, so call before visiting.
How can I verify Jamal Julian Zaka, M. D.'s license?
NPPES lists California license number A113378, 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 Jamal Julian Zaka, M. D. prescribe under Medicare Part D?
In 2024, Jamal Julian Zaka, M. D. had 298 Medicare Part D claims for 67 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Jamal Julian Zaka, M. D.'s MIPS final score?
The 2023 MIPS final score is 90.1 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.