Champak Venkitachalam, MD, MPH
Adult Medicine Physician · Sacramento, CA
Champak Venkitachalam, MD, MPH is an adult medicine physician with a practice address in Sacramento, California, and NPI 1649589052, issued on Oct 3, 2010. Check the license (California A122227, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Champak Venkitachalam
- Credential
- MD, MPH
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License number
- A122227 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1020 29TH St Ste 480, Sacramento, CA 95816
- Phone
- (916) 733-3777
- Enumerated
- Oct 3, 2010
- Record last updated
- Apr 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130909000703); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult medicine physician records → All 386 in California → Look up another NPI →
Also registered at 1020 29TH St Ste 480
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Champak Venkitachalam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A122227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average adult medicine physician in 2024
124 Medicare Part D claims for 44 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D.
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): 85.7 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
- John Muir Physician NetworkBrentwood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Champak Venkitachalam among 386 adult medicine physician records in California
Champak Venkitachalam, MD, MPH is one of 386 adult medicine physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2003 · median 2005 among the 187 with a school on file
- Record last updated2019 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Medicine Physician providers in California
There are 386 adult medicine physician records in California.
All 386 in California → Every provider in Sacramento → Adult Medicine Physician nationwide →
The 8 adult medicine physician records with the nearest ZIP codes
- Mark Murray, MDSacramento, CA 958161841959863
- David Foos, DOSacramento, CA 958151336264290
- Julie Jacobs, MDSacramento, CA 958171376819433
- Breanna Bui, NPSacramento, CA 958111003555889
- David Hubbard, MDSacramento, CA 958111689237174
- Rebecca Lewis, FNPSacramento, CA 958211366206237
- Madeline Nguyen, D.O.Sacramento, CA 958111316333453
- Kiranbir Dhillon Thiara, M.D.Sacramento, CA 958231083860787
Common questions
What is Champak Venkitachalam, MD, MPH's NPI number?
Champak Venkitachalam, MD, MPH's National Provider Identifier (NPI) is 1649589052, issued on Oct 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Champak Venkitachalam, MD, MPH located?
The NPPES record lists a practice address at 1020 29TH St Ste 480, Sacramento, CA, 95816. Phone: (916) 733-3777. Providers update this record themselves, so call before visiting.
How can I verify Champak Venkitachalam, MD, MPH's license?
NPPES lists California license number A122227, 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 Champak Venkitachalam, MD, MPH prescribe under Medicare Part D?
In 2024, Champak Venkitachalam, MD, MPH had 124 Medicare Part D claims for 44 beneficiaries; the average among adult medicine physician prescribers was 3,002. Part D covers Medicare prescriptions only.
What is Champak Venkitachalam, MD, MPH's MIPS final score?
The 2023 MIPS final score is 85.7 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.