NPPES file of Aug 9, 2026

Mercy Okon, FNP

Family Nurse Practitioner · Houston, TX

Mercy Okon, FNP is a family nurse practitioner with a practice address in Houston, Texas, and NPI 1861939001, issued on Jan 26, 2017. Check the license (Texas AP129968, as entered in NPPES) with the Texas board that licenses this profession; 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
1861939001
Name
Mercy Okon
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP129968 TX
Self-reported in NPPES; status is on the state search
Practice location
2101 Crawford St Ste 210, Houston, TX 77002
Phone
(713) 951-0000
Enumerated
Jan 26, 2017
Record last updated
Jan 26, 2017 (not updated in 9 years: call before relying on the address or phone)
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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Also registered at 2101 Crawford St Ste 210

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

  1. Joy Isebor, FNP-BCFamily Nurse Practitioner1265072995

Verify Mercy Okon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license AP129968
    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
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18% fewer Medicare Part D claims than the average family nurse practitioner in 2024

1,065 Medicare Part D claims for 73 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Mercy Okon1,065
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium117 claims
  2. Levothyroxine Sodium96 claims
  3. Fluticasone Propionate92 claims
  4. Metformin Hcl46 claims
  5. Montelukast Sodium46 claims
  6. Omeprazole41 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.

Mercy Okon among 21,242 family nurse practitioner records in Texas

Mercy Okon, FNP is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 36% of them.

  • NPI issued2017 · 36% of these records are older, 58% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2017 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,588 family nurse practitioner records list a practice address in Houston

They are 2,588 of the 61,221 NPPES records with a practice address in Houston, and 21,242 family nurse practitioner records in Texas.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Rachel Benjamin, APRN, FNP-CHouston, TX 770021437491370
  2. Janick Bridges, RN, FNP, PMHNPHouston, TX 770021467720573
  3. Stephanie Estala, DNP, RN, FNP-BCHouston, TX 770021396758934
  4. Adonica Franklin, RN, MSN, FNP-CHouston, TX 770021336315183
  5. Rhonda Hargraves, FNPHouston, TX 770021346456738
  6. Loretta King, NURSE PRACTITIONERHouston, TX 770021043410665
  7. Hernan Martinez, ARNPHouston, TX 770021659623825
  8. Charles McBride, FNP-BCHouston, TX 770021952502049

Common questions

What is Mercy Okon, FNP's NPI number?

Mercy Okon, FNP's National Provider Identifier (NPI) is 1861939001, issued on Jan 26, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Mercy Okon, FNP located?

The NPPES record lists a practice address at 2101 Crawford St Ste 210, Houston, TX, 77002. Phone: (713) 951-0000. Providers update this record themselves, so call before visiting.

How can I verify Mercy Okon, FNP's license?

NPPES lists Texas license number AP129968, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Mercy Okon, FNP prescribe under Medicare Part D?

In 2024, Mercy Okon, FNP had 1,065 Medicare Part D claims for 73 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.