Karna Gendo, M.D.
Allergy & Immunology Physician · Walnut Creek, CA
Karna Gendo, M.D. is an allergy & immunology physician with a practice address in Walnut Creek, California, and NPI 1720164536, issued on Oct 27, 2006. Check the license (California A89530, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karna Gendo
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- A89530 CA
MD00035775 WA
Self-reported in NPPES; status is on the state search - Practice location
- 130 LA Casa Via, Walnut Creek, CA 94598
- Phone
- (925) 935-6252
- Enumerated
- Oct 27, 2006
- Record last updated
- May 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (925) 930-0942
- Medicaid ID
- 8247983 WA
- Medicare enrollment
- Enrolled (PECOS I20110718000349); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 444 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.
- Shilpi Anand, M.D.Allergy Physician1871556605
- Michael Baker, M.D.Surgery Physician1043309008
- 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 Karna Gendo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89530Check 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 allergy & immunology physician in 2024
159 Medicare Part D claims for 37 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Nucala25 claims
- Hizentra22 claims
- Azelastine Hcl18 claims
- Montelukast Sodium17 claims
- Spiriva Respimat16 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 practice group's MIPS final score for 2023 (Medicare payment program): 69.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Allergy And Asthma Medical Group OF The Bay Area IncBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karna Gendo among 444 allergy & immunology physician records in California
Karna Gendo, M.D. is one of 444 allergy & immunology 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 281 with a school on file
- Record last updated2016 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in California
There are 444 allergy & immunology physician records in California.
All 444 in California → Every provider in Walnut Creek → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Eric Chen, MDWalnut Creek, CA 945981558440222
- David Cook, MDWalnut Creek, CA 945981740282425
- David Fan, MDWalnut Creek, CA 945981619596152
- Ilisten Jones, M.D., M.P.H.Walnut Creek, CA 945981407148943
- Toral Kamdar, M.D.Walnut Creek, CA 945981073776555
- Barbara Karpel, MDWalnut Creek, CA 945981033111729
- Matthew Lodewick, MDWalnut Creek, CA 945981922091362
- Nancy Mozelsio, MDWalnut Creek, CA 945981114910551
Common questions
What is Karna Gendo, M.D.'s NPI number?
Karna Gendo, M.D.'s National Provider Identifier (NPI) is 1720164536, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karna Gendo, M.D. located?
The NPPES record lists a practice address at 130 LA Casa Via, Walnut Creek, CA, 94598. Phone: (925) 935-6252. Providers update this record themselves, so call before visiting.
How can I verify Karna Gendo, M.D.'s license?
NPPES lists California license number A89530, 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 Karna Gendo, M.D. prescribe under Medicare Part D?
In 2024, Karna Gendo, M.D. had 159 Medicare Part D claims for 37 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Karna Gendo, M.D.'s MIPS final score?
The 2023 MIPS final score is 69.9 of 100, reported for the practice group. 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.