NPPES file of Aug 9, 2026

Ank Elisabeth Nijhawan, M.D.

Infectious Disease Physician · Dallas, TX

Ank Elisabeth Nijhawan, M.D. is an infectious disease physician with a practice address in Dallas, Texas, and NPI 1023099116, issued on Nov 7, 2005. Check the license (Texas L7243, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023099116
Name
Ank Elisabeth Nijhawan
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
L7243 TX
225851 MA
Self-reported in NPPES; status is on the state search
Practice location
5323 Harry Hines Blvd., Dallas, TX 75390
Phone
(214) 645-2800
Enumerated
Nov 7, 2005
Record last updated
Dec 13, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(214) 648-2808
Medicare enrollment
Enrolled (PECOS I20120123000140); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2001
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 5323 Harry Hines Blvd.

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

  1. Nashila Abdulrahim, DONephrology Physician1659665180
  2. Nidhi Agarwal, MDInternal Medicine Physician1588786198
  3. Naveed Ahmad, M.D., M.P.H.Pediatrics Physician1992934533
  4. Venkatesh Aiyagari, MDNeurocritical Care Physician1699788042
  5. Adnan Alatoom, MD, PHDMedical Microbiology Physician1679772966
  6. Mani Alavi, DO JDEmergency Medicine Physician1902040579

Verify Ank Elisabeth Nijhawan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L7243
    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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14% more Medicare Part D claims than the average infectious disease physician in 2024

786 Medicare Part D claims for 26 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims. 19 claims were for opioids.

  1. Ank Nijhawan786
  2. Specialty average689

Most prescribed

  1. Biktarvy60 claims
  2. Albuterol Sulfate Hfa44 claims
  3. Lisinopril30 claims
  4. Pregabalin29 claims
  5. Tivicay28 claims
  6. Prezcobix27 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): 74.6 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 score56.1
  2. Costout of 100 · 30%59.2
  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).

Industry payments in 2024: $98.69

1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ank Nijhawan$98.69
  2. Specialty average$4,362.19

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. University OF Texas Southwestern Medical Center AT DallasDallas, TX

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

Ank Elisabeth Nijhawan among 674 infectious disease physician records in Texas

Ank Elisabeth Nijhawan, M.D. is one of 674 infectious disease physician records with a practice address in Texas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2001 · median 2002 among the 510 with a school on file
  • Record last updated2011 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Texas

There are 674 infectious disease physician records in Texas.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Tawanda Gumbo, M.D.Dallas, TX 753901255323317
  2. Robert Haley, MDDallas, TX 753901942269063
  3. Mamta Jain, MD MPHDallas, TX 753901114989290
  4. Ellen Kitchell, MDDallas, TX 753901568671196
  5. Susana Lazarte, MDDallas, TX 753901699984906
  6. Amneris Luque, M.D.Dallas, TX 753901558393538
  7. Robert Munford, MDDallas, TX 753901619936747
  8. Trish Perl, M.D.Dallas, TX 753901275574808

Common questions

What is Ank Elisabeth Nijhawan, M.D.'s NPI number?

Ank Elisabeth Nijhawan, M.D.'s National Provider Identifier (NPI) is 1023099116, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ank Elisabeth Nijhawan, M.D. located?

The NPPES record lists a practice address at 5323 Harry Hines Blvd., Dallas, TX, 75390. Phone: (214) 645-2800. Providers update this record themselves, so call before visiting.

How can I verify Ank Elisabeth Nijhawan, M.D.'s license?

NPPES lists Texas license number L7243, 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 Ank Elisabeth Nijhawan, M.D. prescribe under Medicare Part D?

In 2024, Ank Elisabeth Nijhawan, M.D. had 786 Medicare Part D claims for 26 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Ank Elisabeth Nijhawan, M.D.'s MIPS final score?

The 2023 MIPS final score is 74.6 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.