NPPES file of Aug 9, 2026

Karen Chopra, MD

Internal Medicine Physician · Oklahoma City, OK

Karen Chopra, MD is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1538130943, issued on Feb 1, 2006. Check the license (Oklahoma 23190, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538130943
Name
Karen Chopra
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
23190 OK
Self-reported in NPPES; status is on the state search
Practice location
4120 N Classen Blvd, Oklahoma City, OK 73118
Phone
(405) 236-3736
Enumerated
Feb 1, 2006
Record last updated
Aug 11, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(405) 236-2137
Medicare enrollment
Enrolled (PECOS I20041113000084); 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 4120 N Classen Blvd

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

  1. Sandeep Chopra, MDCardiovascular Disease Physician1952399024

Verify Karen Chopra 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 23190
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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77% fewer Medicare Part D claims than the average internal medicine physician in 2024

719 Medicare Part D claims for 94 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims. 14 claims were for opioids.

  1. Karen Chopra719
  2. Specialty average3,176

Most prescribed

  1. Metformin Hcl Er70 claims
  2. Levothyroxine Sodium64 claims
  3. Alendronate Sodium51 claims
  4. Jardiance48 claims
  5. Ozempic39 claims
  6. Escitalopram Oxalate31 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: $1,991.15

110 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Chopra$1,991.15
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Classen Medical Center PLLCOklahoma City, OK
  2. Saints Medical Group, LLCOklahoma City, OK

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

Karen Chopra among 1,115 internal medicine physician records in Oklahoma

Karen Chopra, MD 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 57% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1997 · median 2007 among the 653 with a school on file
  • Record last updated2010 · 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. Matthew Johnson, M.D.Oklahoma City, OK 731181740456839
  2. Kevin Moore, M.D.Oklahoma City, OK 731181154781060
  3. Richard Morgan, M.D.Oklahoma City, OK 731181619977139
  4. Stephen Wolf, MDOklahoma City, OK 731181558475756
  5. Sakshi Bai, M.D.Oklahoma City, OK 731171083306211
  6. Lee Jennings, M.D.Oklahoma City, OK 731171679733125
  7. Aria Khan, MDOklahoma City, OK 731171093458531
  8. John Schumann, MDOklahoma City, OK 731191144383654

Common questions

What is Karen Chopra, MD's NPI number?

Karen Chopra, MD's National Provider Identifier (NPI) is 1538130943, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Chopra, MD located?

The NPPES record lists a practice address at 4120 N Classen Blvd, Oklahoma City, OK, 73118. Phone: (405) 236-3736. Providers update this record themselves, so call before visiting.

How can I verify Karen Chopra, MD's license?

NPPES lists Oklahoma license number 23190, 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 Karen Chopra, MD prescribe under Medicare Part D?

In 2024, Karen Chopra, MD had 719 Medicare Part D claims for 94 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.