NPI age
19 years
Enumerated 2007-04-25
● Active Type 2 · Organization
Geoff A Zimmerman, Md, PA
Geoff A Zimmerman, Md, PA is 1 of 171 obstetrics & gynecology organizations in Texas.
Primary specialty
Obstetrics & Gynecology
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Weber
Office Manager
Last NPPES update
2020-08-22
Source: monthly bulk 2026-05
How this organization compares
Across 171 active obstetrics & gynecology providers in Texas.
NPI age
19 years
≈ at median (18 yr)
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2007 → 2026
2007-04Enumerated in NPPES
2007
2026
Where they practice
Primary practice location
777 S Fry Rd, Suite 103
Katy, TX 774502244
Mailing address
777 S Fry Rd, Suite 103
Katy, TX 774502244
Authorized official
Toni L Weber
Office Manager
📞 2813988484
Individual providers at this organization
6 individual providers on file at this primary practice address.
- Mennen Gallas, MD Plastic Surgery NPI 1487667184
- Arlene Loeschen, NP Nurse Practitioner NPI 1407819311
- Anju Mammen, MD Pediatrics NPI 1073572525
- Denise Smith, D.C. Chiropractor NPI 1114920808
- Brian Stanton, D.C., A.C.N. Chiropractor NPI 1407105190
- Sadia Yasser, M.D Psychiatry & Neurology NPI 1558453522
Specialties
-
Obstetrics & Gynecology PrimaryA physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions.
Practice context
Multi-provider organization. 6 individual providers on file at this primary address.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.