NPPES file of Aug 9, 2026

Federico P. Ilang-Ilang, M.D.

Internal Medicine Physician · Midland, TX

Federico P. Ilang-Ilang, M.D. is an internal medicine physician with a practice address in Midland, Texas, and NPI 1417985300, issued on Jun 29, 2006. Check the license (Texas G0620, 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
1417985300
Name
Federico P. Ilang-Ilang
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G0620 TX
Self-reported in NPPES; status is on the state search
Practice location
801 E. Florida St., Midland, TX 79701
Phone
(432) 685-0450
Enumerated
Jun 29, 2006
Record last updated
Apr 1, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(432) 685-0458
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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Verify Federico P. Ilang-Ilang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license G0620
    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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56% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,411 Medicare Part D claims for 134 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 84 claims were for opioids.

  1. Federico Ilang-Ilang1,411
  2. Specialty average3,176

Most prescribed

  1. Gabapentin51 claims
  2. Levothyroxine Sodium45 claims
  3. Lisinopril43 claims
  4. Pantoprazole Sodium40 claims
  5. Amlodipine Besylate37 claims
  6. Atorvastatin Calcium37 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.

Federico P. Ilang-Ilang among 9,175 internal medicine physician records in Texas

Federico P. Ilang-Ilang, M.D. 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2020 · 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).

44 internal medicine physician records list a practice address in Midland

They are 44 of the 1,805 NPPES records with a practice address in Midland, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Venkatasubbaraya Achanta, M.D.Midland, TX 797011780693648
  2. Jaya Chadalavada, M.D.Midland, TX 797011710180666
  3. Gautham Gadiraju, MDMidland, TX 797011649462987
  4. Allen Gibson, M.D.Midland, TX 797011912068446
  5. Juan Gil, MDMidland, TX 797011558392779
  6. James Huston, M.D.Midland, TX 797011346329786
  7. Premila Johnson, MDMidland, TX 797011184727562
  8. Suresh Kota, MDMidland, TX 797011609921782

Common questions

What is Federico P. Ilang-Ilang, M.D.'s NPI number?

Federico P. Ilang-Ilang, M.D.'s National Provider Identifier (NPI) is 1417985300, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Federico P. Ilang-Ilang, M.D. located?

The NPPES record lists a practice address at 801 E. Florida St., Midland, TX, 79701. Phone: (432) 685-0450. Providers update this record themselves, so call before visiting.

How can I verify Federico P. Ilang-Ilang, M.D.'s license?

NPPES lists Texas license number G0620, 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 Federico P. Ilang-Ilang, M.D. prescribe under Medicare Part D?

In 2024, Federico P. Ilang-Ilang, M.D. had 1,411 Medicare Part D claims for 134 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.