NPPES file of Aug 9, 2026

Joel Rajan Chittazhattu, DO

Internal Medicine Physician · Oklahoma City, OK

Joel Rajan Chittazhattu, DO is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1063070787, issued on May 29, 2019. Check the license (Oklahoma 8215, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063070787
Name
Joel Rajan Chittazhattu
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
8215 OK
BP10066980 TX
Self-reported in NPPES; status is on the state search
Practice location
OU Medical Center, Oklahoma City, OK 73104
Phone
(405) 271-4700
Enumerated
May 29, 2019
Record last updated
Mar 15, 2024
Medicare enrollment
Enrolled (PECOS I20231206001825); accepts Medicare assignment
Medical or professional school
Edward Via Col Of Osteo Medicine-Virginia Campus, 2015
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 OU Medical Center

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

  1. Montu Patel, M.D.Diagnostic Radiology Physician1205152113

Verify Joel Rajan Chittazhattu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 8215
    Check 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 Oklahoma license search

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

198 Medicare Part D claims for 69 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Joel Chittazhattu198
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium11 claims
  2. Pantoprazole Sodium11 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): 71.7 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.

  1. Qualityout of 100 · 30% of the final score53.5
  2. Costout of 100 · 30%52.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. OU Health Partners IncOklahoma City, OK

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

Joel Rajan Chittazhattu among 1,115 internal medicine physician records in Oklahoma

Joel Rajan Chittazhattu, DO is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 75% of them.

  • NPI issued2019 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2015 · median 2007 among the 653 with a school on file
  • Record last updated2024 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

418 internal medicine physician records list a practice address in Oklahoma City

They are 418 of the 22,359 NPPES records with a practice address in Oklahoma City, and 1,115 internal medicine physician records in Oklahoma.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Allee, MDOklahoma City, OK 731041255309597
  2. M Andrews, MDOklahoma City, OK 731041982672226
  3. Steve Blevins, MDOklahoma City, OK 731041538138565
  4. Dale Bratzler, D.O.Oklahoma City, OK 731041841272192
  5. Shouvik Chakrabarty, MDOklahoma City, OK 731041487622726
  6. Charles Folger, MDOklahoma City, OK 731041235105933
  7. Carlota Hernandez, M.D.Oklahoma City, OK 731041952373045
  8. Farrukh Jawaid, M.D.Oklahoma City, OK 731041366495616

Common questions

What is Joel Rajan Chittazhattu, DO's NPI number?

Joel Rajan Chittazhattu, DO's National Provider Identifier (NPI) is 1063070787, issued on May 29, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Joel Rajan Chittazhattu, DO located?

The NPPES record lists a practice address at OU Medical Center, Oklahoma City, OK, 73104. Phone: (405) 271-4700. Providers update this record themselves, so call before visiting.

How can I verify Joel Rajan Chittazhattu, DO's license?

NPPES lists Oklahoma license number 8215, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joel Rajan Chittazhattu, DO prescribe under Medicare Part D?

In 2024, Joel Rajan Chittazhattu, DO had 198 Medicare Part D claims for 69 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Joel Rajan Chittazhattu, DO's MIPS final score?

The 2023 MIPS final score is 71.7 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.