MS. ELCY MATHAI JOHN MD
NPI 1083611628
Obstetrics & Gynecology in Tomball, TX
About Ms. Elcy Mathai John Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ELCY MATHAI JOHN MD (NPI 1083611628) is an individual obstetrics & gynecology provider in Tomball, Texas, licensed in Texas (L8126) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 7
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Elcy Mathai John Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Elcy John reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77082
- Reassigned Medicare billing, Texas enrollment
- 508 clinicians in this Medicare group
Fulshear, TX 77441
- Reassigned Medicare billing, Texas enrollment
- 1,235 clinicians in this Medicare group
Austin, TX 78758
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Obhg Texas Holdings PA
- 998 clinicians in this Medicare group
Cedar Park, TX 78613
- Reassigned Medicare billing, Texas enrollment
- 123 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77375 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
TOMBALL, TX 77375
TOMBALL, TX 77375
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 Elcy John's NPI number?
The NPI number for Elcy John is 1083611628. It was assigned to this individual provider in the NPPES registry on June 28, 2005.
Where is Elcy John located?
Elcy John practices at 455 School St Suite 29, Tomball, TX 77375. The listed phone number is (281) 374-1860.
What is Elcy John's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Elcy John enrolled in Medicare?
Yes. Elcy John is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Elcy John's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elcy John reassigns Medicare benefits to 4 organizations: Pediatrix Medical Group Of Texas Billing, Inc. (Houston, TX), Memorial Hermann Medical Group (Fulshear, TX), Obhg Texas Holdings, P.A. (Austin, TX) and Timberland Medical Group (Cedar Park, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elcy John's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elcy John accept?
Health plans from Baylor Scott and White Health Plan and Blue Cross and Blue Shield of Texas list Elcy John as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Elcy John was last updated on December 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.
# Ms. Elcy Mathai John, MD · NPI 1083611628
Obstetrics & Gynecology physician in Tomball, Texas. Individual provider, active in the CMS NPPES registry since June 28, 2005.
## Identity
- **NPI:** 1083611628 (Entity type: Individual)
- **Enumerated:** June 28, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** L8126 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 455 SCHOOL ST, SUITE 29, Tomball, TX 77375-4595
- **Phone:** (281) 374-1860 · **Fax:** (281) 255-0550
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Pediatrix Medical Group Of Texas Billing, Inc. (NPI 1649377359, Houston, TX); Memorial Hermann Medical Group (NPI 1003985102, Fulshear, TX); Obhg Texas Holdings, P.A. (NPI 1083917769, Austin, TX); Timberland Medical Group (NPI 1528061157, Cedar Park, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 27, 2012
- **Other identifiers:** Medicaid 171664901 (TX); Medicare UPIN 126602; Medicare PIN 246720802; and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1083611628) · Data from the CMS NPPES public registry.