MRS. MERCY ANNAMMA JOHN MSN, APRN, AGACNP-BC
NPI 1770459752
Nurse Practitioner - Acute Care in Houston, TX

Active since October 15, 2025PECOS EnrolledAccepts Medicare Assignment
6720 BERTNER AVE, HOUSTON, TX 77030(832) 355-5800 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mrs. Mercy Annamma John Msn, Aprn, Agacnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MERCY ANNAMMA JOHN MSN, APRN, AGACNP-BC (NPI 1770459752) is an individual acute care provider in Houston, Texas, licensed in Texas (1215210) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1770459752
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMRS. MERCY ANNAMMA JOHNCredential: MSN, APRN, AGACNP-BC
Location Address6720 BERTNER AVEHouston, TX 77030-2604
Mailing Address6720 Bertner AveHouston, TX 77030-2604
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateOctober 15, 2025
Last NPPES UpdateOctober 20, 2025
NPPES CertifiedOctober 20, 2025
NPI 1770459752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in TX · 1215210
Also ListedNurse Practitioner · Critical Care MedicineTaxonomy 363LC0200X · License 1215210 (TX)
6720 BERTNER AVE, Houston, TX 77030

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Mercy Annamma John Msn, Aprn, Agacnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244729069
PECOS Enrollment IDI20251030003189
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology
6720 BERTNER AVE
HOUSTON, TX 77030
Radiology (Vascular & Interventional Radiology)
6720 BERTNER AVE
HOUSTON, TX 77030
Internal Medicine (Critical Care Medicine)
6720 BERTNER AVE
HOUSTON, TX 77030
Anesthesiology
6720 BERTNER AVE
HOUSTON, TX 77030
Internal Medicine
6720 BERTNER AVE
HOUSTON, TX 77030
Nurse Anesthetist, Certified Registered
6720 BERTNER AVE
HOUSTON, TX 77030
Anesthesiologist Assistant
6720 BERTNER AVE
HOUSTON, TX 77030
Anesthesiology
6720 BERTNER AVE
HOUSTON, TX 77030

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mercy John's NPI number?

The NPI number for Mercy John is 1770459752. It was assigned to this individual provider in the NPPES registry on October 15, 2025.

Where is Mercy John located?

Mercy John practices at 6720 Bertner Ave, Houston, TX 77030. The listed phone number is (832) 355-5800.

What is Mercy John's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Mercy John enrolled in Medicare?

Yes. Mercy John is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mercy John was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.