NPPES file of Aug 9, 2026

Mercy Annamma John, MSN, APRN, AGACNP-BC

Acute Care Nurse Practitioner · Houston, TX

Mercy Annamma John, MSN, APRN, AGACNP-BC is an acute care nurse practitioner with a practice address in Houston, Texas, and NPI 1770459752, issued on Oct 15, 2025. Check the license (Texas 1215210, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770459752
Name
Mercy Annamma John
Credential
MSN, APRN, AGACNP-BC
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
1215210 TX
Self-reported in NPPES; status is on the state search
Practice location
6720 Bertner Ave, Houston, TX 77030
Phone
(832) 355-5800
Enumerated
Oct 15, 2025
Record last updated
Oct 20, 2025
Medicare enrollment
Enrolled (PECOS I20251030003189); accepts Medicare assignment
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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8 nearest acute care nurse practitioner records → All 3,239 in Texas → Look up another NPI →

Also registered at 6720 Bertner Ave

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

  1. Ligaya Abangan, CRNACertified Registered Nurse Anesthetist1922088384
  2. Taj Adams, MDEmergency Medicine Physician1730321860
  3. Oludayo Adeyefa, M.D.Anesthesiology Physician1700014628
  4. Fatima Adhi, MDCritical Care Medicine (Internal Medicine) Physician1437590387
  5. Yunuen Aguilera Garcia, M.D.Critical Care Medicine (Internal Medicine) Physician1578842522
  6. Tabish Aijaz, M.D.Pain Medicine (Anesthesiology) Physician1417319732

Verify Mercy Annamma John 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 1215210    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
Find 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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Bills Medicare through one group practice

  1. Baylor College OF MedicineHouston, TX

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

Mercy Annamma John among 3,239 acute care nurse practitioner records in Texas

Mercy Annamma John, MSN, APRN, AGACNP-BC is one of 3,239 acute care nurse practitioner records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 89% of them.

  • NPI issued2025 · 89% of these records are older, 4% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2023 · median 2019 among the 2,120 with a school on file
  • Record last updated2025 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

712 acute care nurse practitioner records list a practice address in Houston

They are 712 of the 61,221 NPPES records with a practice address in Houston, and 3,239 acute care nurse practitioner records in Texas.

All 3,239 in Texas → Every provider in Houston → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Nancy Akins, R.N. MSN,CNS,CC ACNPHouston, TX 770301447202155
  2. Prashanth Anumandla, ANP-BC, RNHouston, TX 770301831208966
  3. Patricia Brenza, N.P.Houston, TX 770301598780173
  4. Mary Joy Daniel, NPHouston, TX 770301124064100
  5. Thomas Derksen, NPHouston, TX 770301730133026
  6. Sarah Homer, ACNPHouston, TX 770301205851896
  7. Ambili John, A.C.N.P.Houston, TX 770301396854568
  8. Wendi Jones, MSN, ACNPHouston, TX 770301528078482

Common questions

What is Mercy Annamma John, MSN, APRN, AGACNP-BC's NPI number?

Mercy Annamma John, MSN, APRN, AGACNP-BC's National Provider Identifier (NPI) is 1770459752, issued on Oct 15, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Mercy Annamma John, MSN, APRN, AGACNP-BC located?

The NPPES record lists a practice address at 6720 Bertner Ave, Houston, TX, 77030. Phone: (832) 355-5800. Providers update this record themselves, so call before visiting.

How can I verify Mercy Annamma John, MSN, APRN, AGACNP-BC's license?

NPPES lists Texas license number 1215210, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.