Manjari Nathan, M.D.
Pulmonary Disease Physician · Walnut Creek, CA
Manjari Nathan, M.D. is a pulmonary disease physician with a practice address in Walnut Creek, California, and NPI 1033386503, issued on May 13, 2008. Check the license (California A80974, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Manjari Nathan
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A80974 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2637 Shadelands Dr, Walnut Creek, CA 94598
- Phone
- (925) 944-0166
- Enumerated
- May 13, 2008
- Record last updated
- Mar 3, 2025
- Fax
- (925) 944-6355
- Medicare enrollment
- Enrolled (PECOS I20041214001193); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 2637 Shadelands Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Anand, NPFamily Nurse Practitioner1023993102
- Stacyann Andaya, NPFamily Nurse Practitioner1649893660
- Audrey Arzamendi, M.D.Endocrinology, Diabetes & Metabolism Physician1508159567
- Anthony Bernens, MDInternal Medicine Physician1215983440
- Jennifer Chan, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1265634687
- Heidi Chang, MDObstetrics & Gynecology Physician1649681982
Verify Manjari Nathan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A80974Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
1,088 Medicare Part D claims for 157 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.
Most prescribed
- Albuterol Sulfate Hfa123 claims
- Trelegy Ellipta119 claims
- Breo Ellipta99 claims
- Anoro Ellipta63 claims
- Wixela Inhub60 claims
- Fluticasone-Salmeterol52 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): 91.1 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: $936.50
35 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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).
Manjari Nathan among 1,443 pulmonary disease physician records in California
Manjari Nathan, 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
- Graduated1998 · 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 Manjari Nathan, M.D.'s NPI number?
Manjari Nathan, M.D.'s National Provider Identifier (NPI) is 1033386503, issued on May 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Manjari Nathan, M.D. located?
The NPPES record lists a practice address at 2637 Shadelands Dr, Walnut Creek, CA, 94598. Phone: (925) 944-0166. Providers update this record themselves, so call before visiting.
How can I verify Manjari Nathan, M.D.'s license?
NPPES lists California license number A80974, 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 Manjari Nathan, M.D. prescribe under Medicare Part D?
In 2024, Manjari Nathan, M.D. had 1,088 Medicare Part D claims for 157 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Manjari Nathan, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.1 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.