NPPES file of Aug 9, 2026

Andrew A. Houston, MD

Internal Medicine Physician · Greenwood, IN

Andrew A. Houston, MD is an internal medicine physician with a practice address in Greenwood, Indiana, and NPI 1093980609, issued on Apr 24, 2008. Check the license (Indiana 11013725A, as entered in NPPES) on the Medical Licensing Board of Indiana; 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
1093980609
Name
Andrew A. Houston
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
11013725A IN
Self-reported in NPPES; status is on the state search
Practice location
1703 W Stones Crossing RD Ste 200, Greenwood, IN 46143
Phone
(317) 781-1188
Enumerated
Apr 24, 2008
Record last updated
Aug 7, 2026
Fax
(317) 781-7140
Medicare enrollment
Enrolled (PECOS I20100806000103); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2010
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 1703 W Stones Crossing RD Ste 200

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

  1. Emily Anderson, PA-CPhysician Assistant1790678266
  2. Blake Christy, DOFamily Medicine Physician1578026084
  3. Caroline CombsPhysician Assistant1427765445
  4. Cecilia David-Capes, M.D.Family Medicine Physician1194162511
  5. Madison Dolan, MDFamily Medicine Physician1619671906
  6. James Gahimer, M.D.Internal Medicine Physician1144494592

Verify Andrew A. Houston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 11013725A
    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 Indiana 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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4.7 times the Medicare Part D claims of the average internal medicine physician in 2024

14,975 Medicare Part D claims for 712 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 476 claims were for opioids.

  1. Andrew Houston14,975
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium823 claims
  2. Levothyroxine Sodium610 claims
  3. Omeprazole458 claims
  4. Gabapentin362 claims
  5. Pantoprazole Sodium360 claims
  6. Amlodipine Besylate340 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: $68.40

4 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, 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. Andrew Houston$68.40
  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. American Health Network OF Indiana LLCFishers, IN

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

Andrew A. Houston among 2,109 internal medicine physician records in Indiana

Andrew A. Houston, MD is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.

  • NPI issued2008 · 52% of these records are older, 43% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2010 · median 2005 among the 1,448 with a school on file
  • Record last updated2026 · 43% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Indiana

There are 2,109 internal medicine physician records in Indiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. John Albrecht, M.D.Greenwood, IN 461431952414443
  2. Bruce Bender, MDGreenwood, IN 461431790764405
  3. Todd Dudley, MDGreenwood, IN 461431457330698
  4. James Gahimer, M.D.Greenwood, IN 461431144494592
  5. Sanjiv Gollakota, DOGreenwood, IN 461431568845220
  6. Koshy Oommen, M.D.Greenwood, IN 461431497844278
  7. William Padamadan, MDGreenwood, IN 461431124067483
  8. Steven Samuels, MDGreenwood, IN 461431205806387

Common questions

What is Andrew A. Houston, MD's NPI number?

Andrew A. Houston, MD's National Provider Identifier (NPI) is 1093980609, issued on Apr 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Andrew A. Houston, MD located?

The NPPES record lists a practice address at 1703 W Stones Crossing RD Ste 200, Greenwood, IN, 46143. Phone: (317) 781-1188. Providers update this record themselves, so call before visiting.

How can I verify Andrew A. Houston, MD's license?

NPPES lists Indiana license number 11013725A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Andrew A. Houston, MD prescribe under Medicare Part D?

In 2024, Andrew A. Houston, MD had 14,975 Medicare Part D claims for 712 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.