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DR. ALFREDO F GEI M.D.
NPI 1083626014
Obstetrics & Gynecology - Maternal & Fetal Medicine in Houston, TX

Active since August 11, 2006PECOS Enrolled
6400 FANNIN ST, SUITE # 1900, HOUSTON, TX 77030(281) 941-2237(281) 407-7476 Get Directions Write a Review

NPPES record last updated: June 22, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Alfredo F Gei M.d. NPPES

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

DR. ALFREDO F GEI M.D. (NPI 1083626014) is an individual maternal & fetal medicine provider in Houston, Texas, licensed in Texas (L1323) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083626014
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameDR. ALFREDO F GEICredential: M.D.
Location Address6400 FANNIN ST, SUITE # 1900Houston, TX 77030-1528
Mailing Address6400 Fannin St, Suite # 1900Houston, TX 77030-1528 · (281) 941-2237 · Fax (281) 407-7476
Phone(281) 941-2237
Fax(281) 407-7476
Sole ProprietorNo
Enumeration DateAugust 11, 2006
Last NPPES UpdateJune 22, 2016
✔ NPI 1083626014 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in TX · L1323
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
6400 FANNIN ST, Houston, TX 77030
Open in Google Maps ↗

Other Identifiers 2

Other8FP738TX · Blue Cross Blue Shield
Medicare PINTXB145983TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alfredo F Gei M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Alfredo Gei reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ut Physicians
0.1 mi
Anesthesiology
6410 FANNIN ST, 1500
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3,111 clinicians in this Medicare group
NPI 1033157821 (832) 325-7325
Obstetrix Medical Group Of Texas Billing, Inc.
238 mi
Maternal & Fetal Medicine
3001 E PRESIDENT GEORGE BUSH HWY, SUITE 250
Richardson, TX 75082
  • Reassigned Medicare billing, Texas enrollment
  • 56 clinicians in this Medicare group
NPI 1568486264 (972) 437-5099

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 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
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.

TEXAS MEDICAL CENTER DENTAL
Dentist (General Practice)
6400 FANNIN ST, SUITE 2040
HOUSTON, TX 77030
Harris County (713) 795-0608
ARWA MOHAMMED ABDULBASET ELGAMAL
Radiology (Diagnostic Radiology)
6400 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 704-4000
SCOTT JAMES RYAN MD
Surgery (Vascular Surgery)
6400 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 486-5100
KRISTIN WHANGER PACINI PA
Physician Assistant (Surgical)
6400 FANNIN ST, 1700
HOUSTON, TX 77030
Harris County (713) 486-1800
DR. RANA OMAR AFIFI MD
Surgery (Vascular Surgery)
6400 FANNIN ST, SUITE NUMBER 2850
HOUSTON, TX 77030
Harris County (713) 486-5100
DR. MICHAEL S SWEENEY M.D.,
Thoracic Surgery (Cardiothoracic Vascular Surgery)
6400 FANNIN ST, STE 3000
HOUSTON, TX 77030
Harris County (713) 790-0841
BAYLOR COLLEGE OF MEDICINE, DEPARTMENT OF ORTHOPEDIC SURGERY
Orthopaedic Surgery
6400 FANNIN ST, SUITE 1620
HOUSTON, TX 77030
Harris County (713) 740-2200
TARA L WEGRYN MD PA
Specialist
6400 FANNIN ST, SUITE 2295
HOUSTON, TX 77030
Harris County (713) 791-9778

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 Alfredo Gei's NPI number?

The NPI number for Alfredo Gei is 1083626014. It was assigned to this individual provider in the NPPES registry on August 11, 2006.

Where is Alfredo Gei located?

Alfredo Gei practices at 6400 Fannin St Suite # 1900, Houston, TX 77030. The listed phone number is (281) 941-2237.

What is Alfredo Gei's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Alfredo Gei enrolled in Medicare?

Yes. Alfredo Gei is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alfredo Gei's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alfredo Gei reassigns Medicare benefits to 2 organizations: Ut Physicians (Houston, TX) and Obstetrix Medical Group Of Texas Billing, Inc. (Richardson, 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 Alfredo Gei's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alfredo Gei accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Alfredo Gei 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 Alfredo Gei was last updated on June 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.