NPPES file of Aug 9, 2026

Vinay Prabhakaran, MD

Internal Medicine Physician · Scottsdale, AZ

Vinay Prabhakaran, MD is an internal medicine physician with a practice address in Scottsdale, Arizona, and NPI 1720004393, issued on Jul 15, 2006. Check the license (Arizona 40421, as entered in NPPES) on the Arizona Medical Board; 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
1720004393
Name
Vinay Prabhakaran
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
40421 AZ
38813 KY
Self-reported in NPPES; status is on the state search
Practice location
8328 E. Hartford Dr., Scottsdale, AZ 85255
Phone
(480) 214-9720
Enumerated
Jul 15, 2006
Record last updated
Jan 2, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(480) 214-9722
Medicaid IDs
352442 AZ
64083587 KY
Medicare enrollment
Enrolled (PECOS I20081222000020); accepts Medicare assignment
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 8328 E. Hartford Dr.

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

  1. Payam Azima, MDHospitalist Physician1447246129
  2. Harjinder Bal, MDInternal Medicine Physician1912182221
  3. Russell Esquivel, MDHospitalist Physician1972682409
  4. Karen Henderson, FNP-CFamily Nurse Practitioner1467791236
  5. Diana Koss, MDInternal Medicine Physician1952353807
  6. Maria Saldivar, MDHospitalist Physician1427015239

Verify Vinay Prabhakaran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 40421
    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 Arizona 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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9% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,877 Medicare Part D claims for 399 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 46 claims were for opioids.

  1. Vinay Prabhakaran2,877
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium139 claims
  2. Gabapentin109 claims
  3. Eliquis107 claims
  4. Levothyroxine Sodium103 claims
  5. Amlodipine Besylate93 claims
  6. Metoprolol Succinate76 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 MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%0.0
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $116.44

1 payment: food and beverage; the largest payer was Abbvie 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. Vinay Prabhakaran$116.44
  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 one group practice

  1. Scottsdale Inpatient Specialists PLCScottsdale, AZ

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

Vinay Prabhakaran among 2,853 internal medicine physician records in Arizona

Vinay Prabhakaran, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1996 · median 2003 among the 1,643 with a school on file
  • Record last updated2014 · 51% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

344 internal medicine physician records list a practice address in Scottsdale

They are 344 of the 11,008 NPPES records with a practice address in Scottsdale, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Harjinder Bal, MDScottsdale, AZ 852551912182221
  2. Jason Buchwald, M.D.Scottsdale, AZ 852551285675439
  3. John Carroll, MDScottsdale, AZ 852551063468932
  4. Efren Casanova, M.D.Scottsdale, AZ 852551184717704
  5. Gina Conflitti, M.D.Scottsdale, AZ 852551134251408
  6. Alberto Guerrero, M.D.Scottsdale, AZ 852551427066570
  7. Diana Koss, MDScottsdale, AZ 852551952353807
  8. Gwendoline Ladha, MDScottsdale, AZ 852551770510430

Common questions

What is Vinay Prabhakaran, MD's NPI number?

Vinay Prabhakaran, MD's National Provider Identifier (NPI) is 1720004393, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Vinay Prabhakaran, MD located?

The NPPES record lists a practice address at 8328 E. Hartford Dr., Scottsdale, AZ, 85255. Phone: (480) 214-9720. Providers update this record themselves, so call before visiting.

How can I verify Vinay Prabhakaran, MD's license?

NPPES lists Arizona license number 40421, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Vinay Prabhakaran, MD prescribe under Medicare Part D?

In 2024, Vinay Prabhakaran, MD had 2,877 Medicare Part D claims for 399 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Vinay Prabhakaran, MD's MIPS final score?

The 2023 MIPS final score is 0 of 100. 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.