NPPES file of Aug 9, 2026

Karthik Reddy, MD

Cardiovascular Disease Physician · Pittsburg, CA

Karthik Reddy, MD is a cardiovascular disease physician with a practice address in Pittsburg, California, and NPI 1881755429, issued on Dec 13, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881755429
Name
Karthik Reddy
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
10947 ND
Self-reported in NPPES; status is on the state search
Practice location
2220 Gladstone Dr, Pittsburg, CA 94565
Phone
(925) 432-3318
Enumerated
Dec 13, 2006
Record last updated
May 28, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(925) 432-0886
Medicare enrollment
Enrolled (PECOS I20150608001613); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2220 Gladstone Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christine Cave, NPAdult Health Nurse Practitioner1144743386
  2. Gerald Delrio, M.D.Pulmonary Disease Physician1568417889
  3. Siamak Elyasi, M.D.Family Medicine Physician1467407809
  4. John Gallo, DOInternal Medicine Physician1558446229
  5. Henry Gong, M.D.Interventional Cardiology Physician1215982855
  6. Hsien-Wen Hsu, M.D.Pulmonary Disease Physician1548209646

Verify Karthik Reddy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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23% more Medicare Part D claims than the average cardiovascular disease physician in 2024

3,797 Medicare Part D claims for 480 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Karthik Reddy3,797
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate511 claims
  2. Atorvastatin Calcium352 claims
  3. Carvedilol326 claims
  4. Amlodipine Besylate257 claims
  5. Furosemide225 claims
  6. Lisinopril221 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.

Industry payments in 2024: $312.88

4 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karthik Reddy$312.88
  2. Specialty average$3,819.56

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

  1. Pittsburg-Antioch Medical Group A Professional CorporationPittsburg, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karthik Reddy among 2,574 cardiovascular disease physician records in California

Karthik Reddy, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1997 · median 1999 among the 1,742 with a school on file
  • Record last updated2015 · 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 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in California

There are 2,574 cardiovascular disease physician records in California.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Krishna Moorthy, M.D.Pittsburg, CA 945651811933724
  2. Sanjay Ray, M.D.Pittsburg, CA 945651073538146
  3. John Edelen, M.D.Orinda, CA 945631831183383
  4. Jassimran Bainiwal, MDDublin, CA 945681225532633
  5. Raymond Chang, MDDublin, CA 945681477596831
  6. Kay-Won ChangDublin, CA 945681205213410
  7. Amrita KrishnamurthyDublin, CA 945681649674268
  8. Keiko Aikawa, MDNapa, CA 945581194808121

Common questions

What is Karthik Reddy, MD's NPI number?

Karthik Reddy, MD's National Provider Identifier (NPI) is 1881755429, issued on Dec 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karthik Reddy, MD located?

The NPPES record lists a practice address at 2220 Gladstone Dr, Pittsburg, CA, 94565. Phone: (925) 432-3318. Providers update this record themselves, so call before visiting.

How can I verify Karthik Reddy, MD's license?

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 Karthik Reddy, MD prescribe under Medicare Part D?

In 2024, Karthik Reddy, MD had 3,797 Medicare Part D claims for 480 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

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.