NPPES file of Aug 9, 2026

James Crawford Marroquin, MD

Internal Medicine Physician · Austin, TX

James Crawford Marroquin, MD is an internal medicine physician with a practice address in Austin, Texas, and NPI 1902014392, issued on May 18, 2007. Check the license (Texas M8813, 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
1902014392
Name
James Crawford Marroquin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
M8813 TX
Self-reported in NPPES; status is on the state search
Practice location
1305 W 34TH St Ste 204, Austin, TX 78705
Phone
(737) 285-3770
Enumerated
May 18, 2007
Record last updated
Mar 17, 2023
Fax
(737) 285-3771
Medicare enrollment
Enrolled (PECOS I20090313000471); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 2005
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 1305 W 34TH St Ste 204

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

  1. Anna Sessi, MDInternal Medicine Physician1689602310

Verify James Crawford Marroquin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M8813
    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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2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,648 Medicare Part D claims for 350 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 51 claims were for opioids.

  1. James Marroquin7,648
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium398 claims
  2. Amlodipine Besylate389 claims
  3. Atorvastatin Calcium334 claims
  4. Ezetimibe277 claims
  5. Levothyroxine Sodium243 claims
  6. Gabapentin160 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: $2,291.55

117 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. James Marroquin$2,291.55
  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 2 group practices

  1. Abksw Central Texas Preferred Health Partners PLLCAustin, TX
  2. Legacy Healthcare Services IncCedar Park, TX

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

James Crawford Marroquin among 9,175 internal medicine physician records in Texas

James Crawford Marroquin, 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 50% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2005 · median 2004 among the 6,088 with a school on file
  • Record last updated2023 · 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).

606 internal medicine physician records list a practice address in Austin

They are 606 of the 26,585 NPPES records with a practice address in Austin, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Anthony Aventa, MDAustin, TX 787051801875034
  2. Sunil Cheruku, MDAustin, TX 787051235173345
  3. Nancy Foster, MDAustin, TX 787051588664957
  4. Robert Groves, MDAustin, TX 787051124007356
  5. Manjusha Gupte, MDAustin, TX 787051851387500
  6. Samson Jesudass, M.D.Austin, TX 787051619911385
  7. Jonathan Klocek, MDAustin, TX 787051265412910
  8. Kenneth Kroll, MDAustin, TX 787051831179589

Common questions

What is James Crawford Marroquin, MD's NPI number?

James Crawford Marroquin, MD's National Provider Identifier (NPI) is 1902014392, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James Crawford Marroquin, MD located?

The NPPES record lists a practice address at 1305 W 34TH St Ste 204, Austin, TX, 78705. Phone: (737) 285-3770. Providers update this record themselves, so call before visiting.

How can I verify James Crawford Marroquin, MD's license?

NPPES lists Texas license number M8813, 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 James Crawford Marroquin, MD prescribe under Medicare Part D?

In 2024, James Crawford Marroquin, MD had 7,648 Medicare Part D claims for 350 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.