NPPES file of Aug 9, 2026

Drew W. Rasco, MD

Hematology & Oncology Physician · San Antonio, TX

Drew W. Rasco, MD is a hematology & oncology physician with a practice address in San Antonio, Texas, and NPI 1558311225, issued on May 11, 2006. Check the license (Texas N0396, 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
1558311225
Name
Drew W. Rasco
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
N0396 TX
056639 GA
Self-reported in NPPES; status is on the state search
Practice location
4383 Medical Dr, San Antonio, TX 78229
Phone
(210) 593-5700
Enumerated
May 11, 2006
Record last updated
Jul 11, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(210) 593-5992
Medicaid ID
212831601 TX
Medicare enrollment
Enrolled (PECOS I20100709000327); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2003
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 4383 Medical Dr

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

  1. Divya Asti, M.B.B.SHematology & Oncology Physician1821475138
  2. Muralidhar Beeram, M.D.Medical Oncology Physician1265426282
  3. Megan Brito, FNP-BCNurse Practitioner1700508504
  4. Neil ChevliRadiation Oncology Physician1376048975
  5. Sara Conde, MDMedical Oncology Physician1093809428
  6. Jeanne Contreras, FNPFamily Nurse Practitioner1467752212

Verify Drew W. Rasco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N0396
    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

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76% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

208 Medicare Part D claims for 37 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 14 claims were for opioids.

  1. Drew Rasco208
  2. Specialty average877

Most prescribed

  1. Levothyroxine Sodium15 claims
  2. Erlotinib Hcl14 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: $206.52

7 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Drew Rasco$206.52
  2. Specialty average$7,481.41

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. South Texas Oncology And Hematology, PLLCSan Antonio, TX

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

Drew W. Rasco among 922 hematology & oncology physician records in Texas

Drew W. Rasco, MD is one of 922 hematology & oncology physician records with a practice address in Texas. 87% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 57% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2003 · median 2004 among the 691 with a school on file
  • Record last updated2013 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Texas

There are 922 hematology & oncology physician records in Texas.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Georg Aue, MDSan Antonio, TX 782291215928080
  2. David Boldt, M.D.San Antonio, TX 782291447253042
  3. Jose Cruz, MDSan Antonio, TX 782291720043524
  4. Sreedevi Daggubati, MDSan Antonio, TX 782291952373656
  5. Timothy Fenske, MDSan Antonio, TX 782291104877935
  6. Francis Giles, M.D.San Antonio, TX 782291750480950
  7. Gregory Guzley, MDSan Antonio, TX 782291427020114
  8. David Haile, MDSan Antonio, TX 782291700993862

Common questions

What is Drew W. Rasco, MD's NPI number?

Drew W. Rasco, MD's National Provider Identifier (NPI) is 1558311225, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Drew W. Rasco, MD located?

The NPPES record lists a practice address at 4383 Medical Dr, San Antonio, TX, 78229. Phone: (210) 593-5700. Providers update this record themselves, so call before visiting.

How can I verify Drew W. Rasco, MD's license?

NPPES lists Texas license number N0396, 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 Drew W. Rasco, MD prescribe under Medicare Part D?

In 2024, Drew W. Rasco, MD had 208 Medicare Part D claims for 37 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.