NPPES file of Aug 9, 2026

Krishnan Nair, MD

Internal Medicine Physician · Dallas, TX

Krishnan Nair, MD is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1578518684, issued on May 24, 2006. Check the license (Texas K6176, as entered in NPPES) on the Texas Medical Board; 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
1578518684
Name
Krishnan Nair
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
K6176 TX
Self-reported in NPPES; status is on the state search
Practice location
8440 Walnut Hill LN Ste 800, Dallas, TX 75231
Phone
(214) 345-5999
Enumerated
May 24, 2006
Record last updated
Jul 16, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid IDs
029625305 TX
029625304 TX
Medicare enrollment
Enrolled (PECOS I20040407001551); 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 8440 Walnut Hill LN Ste 800

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

  1. Kimulique Allen, MDInternal Medicine Physician1801836713
  2. Chidinma Amakiri, DOInternal Medicine Physician1962039255
  3. Samra AmanFamily Nurse Practitioner1417677238
  4. Jennifer Clark, AGPNPPrimary Care Nurse Practitioner1649993320
  5. Andrea Giomi, M.D.Internal Medicine Physician1265729461
  6. Robert Harris, M.D.Internal Medicine Physician1174566053

Verify Krishnan Nair in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K6176
    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 Texas 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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2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

6,639 Medicare Part D claims for 657 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 90 claims were for opioids.

  1. Krishnan Nair6,639
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium366 claims
  2. Levothyroxine Sodium365 claims
  3. Amlodipine Besylate318 claims
  4. Rosuvastatin Calcium307 claims
  5. Losartan Potassium237 claims
  6. Metformin Hcl223 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: $272.35

15 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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. Krishnan Nair$272.35
  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. Texas Health Physicians GroupDallas, TX

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

Krishnan Nair among 9,175 internal medicine physician records in Texas

Krishnan Nair, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1995 · median 2004 among the 6,088 with a school on file
  • Record last updated2021 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

956 internal medicine physician records list a practice address in Dallas

They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul Cary, MDDallas, TX 752311548250269
  2. Melanie Christina, M.D.Dallas, TX 752311003805292
  3. Gary Goff, M.D.Dallas, TX 752311629050521
  4. Jacqueline Hubbard, M.D.Dallas, TX 752311972588333
  5. Mitchell Huebner, MDDallas, TX 752311215938071
  6. Shamim Khambati, M.D.Dallas, TX 752311073598413
  7. Chiao Lie, MDDallas, TX 752311487635900
  8. Susan McKinney, M.D.Dallas, TX 752311194700542

Common questions

What is Krishnan Nair, MD's NPI number?

Krishnan Nair, MD's National Provider Identifier (NPI) is 1578518684, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Krishnan Nair, MD located?

The NPPES record lists a practice address at 8440 Walnut Hill LN Ste 800, Dallas, TX, 75231. Phone: (214) 345-5999. Providers update this record themselves, so call before visiting.

How can I verify Krishnan Nair, MD's license?

NPPES lists Texas license number K6176, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Krishnan Nair, MD prescribe under Medicare Part D?

In 2024, Krishnan Nair, MD had 6,639 Medicare Part D claims for 657 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.