NPPES file of Aug 9, 2026

Phyllis Chizomam Okereke, M.D

Ophthalmology Physician · Brownsville, TX

Phyllis Chizomam Okereke, M.D is an ophthalmology physician with a practice address in Brownsville, Texas, and NPI 1598749301, issued on Dec 5, 2005. Check the license (Texas K9375, 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
1598749301
Name
Phyllis Chizomam Okereke
Credential
M.D
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
K9375 TX
Self-reported in NPPES; status is on the state search
Practice location
110 Uptown Avenue, Brownsville, TX 78520
Phone
(956) 550-0200
Enumerated
Dec 5, 2005
Record last updated
Oct 15, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(956) 550-0215
Medicaid ID
0306821-01 TX
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 Phyllis Chizomam Okereke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K9375
    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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98% fewer Medicare Part D claims than the average ophthalmology physician in 2024

35 Medicare Part D claims for 12 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.

  1. Phyllis Okereke35
  2. Specialty average1,518

Most prescribed

  1. Metformin Hcl Er11 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.

Phyllis Chizomam Okereke among 1,514 ophthalmology physician records in Texas

Phyllis Chizomam Okereke, M.D is one of 1,514 ophthalmology physician records with a practice address in Texas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 78% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2009 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Texas

There are 1,514 ophthalmology physician records in Texas.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Eric Barron, M.D.Brownsville, TX 785201417932187
  2. Carlos Galvan, MDBrownsville, TX 785201073717633
  3. David Hyde, M.D.Brownsville, TX 785201518261841
  4. Angela Kozak, D.O.Brownsville, TX 785201285797506
  5. Jacob Plotkin, M.D.Brownsville, TX 785201003891763
  6. Madhavi Reddy, M.D.Brownsville, TX 785201649256082
  7. Homer Richer, M.D.Brownsville, TX 785201922156595
  8. Alexander Sudarshan, MDBrownsville, TX 785201518988625

Common questions

What is Phyllis Chizomam Okereke, M.D's NPI number?

Phyllis Chizomam Okereke, M.D's National Provider Identifier (NPI) is 1598749301, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Phyllis Chizomam Okereke, M.D located?

The NPPES record lists a practice address at 110 Uptown Avenue, Brownsville, TX, 78520. Phone: (956) 550-0200. Providers update this record themselves, so call before visiting.

How can I verify Phyllis Chizomam Okereke, M.D's license?

NPPES lists Texas license number K9375, 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 Phyllis Chizomam Okereke, M.D prescribe under Medicare Part D?

In 2024, Phyllis Chizomam Okereke, M.D had 35 Medicare Part D claims for 12 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.