Registry data as of Aug 27, 2026

Ian Greenberg, MD

Internal Medicine Physician · Dallas, TX

Ian Greenberg, MD is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1649791542, issued on Jun 29, 2017. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1649791542
Name
Ian Greenberg
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
122 W Colorado Blvd, Dallas, TX 75208
Phone
(214) 947-6700
Enumerated
Jun 29, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 122 W Colorado Blvd

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

  1. Loren Albritton, DOInternal Medicine Physician1457885238
  2. Juan Arias, MDObstetrics & Gynecology Physician1326024811
  3. David Banh, M.D.Obstetrics & Gynecology Physician1972829331
  4. Elizabeth Brewer, M.D.Internal Medicine Physician1700268158
  5. Kim Burdick, WHCNPWomen's Health Nurse Practitioner1558569665
  6. Rashondra Calderon, FNPFamily Nurse Practitioner1023698933

Verify Ian Greenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical BoardCheck 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.

Industry payments in 2024: $1,986.45

19 payments, mostly food and beverage; the largest payer was Boston Scientific Corporation. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ian Greenberg$1,986.45
  2. Specialty average$2,536.66

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

2 hospital and facility affiliations

  1. Dallas Medical Specialists, PLLCArlington, TX
  2. St Lukes Clinic LLCTwin Falls, ID

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

1,163 internal medicine physician records list a Dallas practice address

They are 1,163 of the 36,304 NPPES records with a Dallas practice address, and 11,069 internal medicine physician records in Texas.

Other internal medicine physician records in Texas

  1. Muhammad A. Sattar, MDDallas, TX1760465553
  2. Gayatri Aaluri, MDGalveston, TX1821928508
  3. Anunaya AashishDenton, TX1134246374
  4. Queenie Ann Abad, M.D.San Antonio, TX1174979785
  5. Fuad Abaleka, M.DLubbock, TX1861925596
  6. Carol Abalihi, M.D.El Paso, TX1326136243
  7. Pedro Abanto, M.D.McAllen, TX1982840393
  8. Oliverio Abarca Guzman, MDHarlingen, TX1346972940
  9. Obinna Abaribe, M.DMansfield, TX1457704355
  10. Enyinnaya Abarikwu, MDTyler, TX1174788178

Common questions

What is Ian Greenberg, MD's NPI number?

Ian Greenberg, MD's National Provider Identifier (NPI) is 1649791542, issued on Jun 29, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Ian Greenberg, MD located?

The NPPES record lists a practice address at 122 W Colorado Blvd, Dallas, TX, 75208. Phone: (214) 947-6700. Providers update this record themselves, so call before visiting.

How can I verify Ian Greenberg, MD's license?

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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.