NPI age
20 years
Enumerated 2005-06-28
● Active
Type 1 · Individual
MS. Elcy Mathai John, MD
John is 1 of 11 obstetrics & gynecology providers in Tomball and 1 of 4633 in Texas.
Primary specialty
Obstetrics & Gynecology
Plus 3 subspecialties
Licensed in
TX, OK
2 states
Status
Active
No deactivations on record
Last NPPES update
2012-12-27
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 4633 active obstetrics & gynecology providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
2 states
Top 92% — 7% of peers are multi-state
Subspecialties
1
In the 21% of peers with subspecialties
NPI lifetime · 2005 → 2026
2005-06Enumerated in NPPES
2005
2026
Where they practice
Practice location
455 School St, Suite 29
Tomball, TX 773754595
Mailing address
455 School St, Suite 29
Tomball, TX 773754595
Specialties
-
Obstetrics & Gynecology PrimaryAn obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other...
-
SpecialistAn individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 200099770A | |
| 01 (TX) | 8R1193 | BLUE CROSS BLUE SHIELD |
| 05 (TX) | 171664901 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 38 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.