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NIKOLAOS ZACHARIAS M.D.
NPI 1972683225
Obstetrics & Gynecology - Maternal & Fetal Medicine in Houston, TX

Active since October 17, 2006PECOS Enrolled
5656 KELLEY STREET, DEPT OF OB/GYN ROOM # 2LD80 001, HOUSTON, TX 77026(713) 566-5976(713) 566-4521 Get Directions Write a Review

NPPES record last updated: December 19, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Nikolaos Zacharias M.d. NPPES

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

NIKOLAOS ZACHARIAS M.D. (NPI 1972683225) is an individual maternal & fetal medicine provider in Houston, Texas, licensed in Texas (M2219) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1972683225
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameNIKOLAOS ZACHARIASCredential: M.D.
Location Address5656 KELLEY STREET, DEPT OF OB/GYN ROOM # 2LD80 001Houston, TX 77026
Mailing Address6431 Fannin, Msb 3.286Houston, TX 77030 · (713) 500-6412 · Fax (713) 500-7860
Phone(713) 566-5976
Fax(713) 566-4521
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateOctober 17, 2006
Last NPPES UpdateDecember 19, 2014
✔ NPI 1972683225 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 · M2219
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.
5656 KELLEY STREET, Houston, TX 77026
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Other Identifiers 6

Medicare UPINI44613TX
OtherM2219TX · Texas Medical Board
Medicare UPIN144613TX
Medicare PIN8K9347TX
Medicare PIN8G1127TX
Medicare PIN8L1466TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, UnitedHealthcare, WellPoint.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nikolaos Zacharias M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901824358
PECOS Enrollment IDI20051104000213
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 77026 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 7

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

RUKMA R. GOVINDU MD
Internal Medicine
5656 KELLEY STREET
HOUSTON, TX 77026
Harris County (713) 566-4550
ZHENJIAN CAI M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
5656 KELLEY STREET
HOUSTON, TX 77026
Harris County (713) 566-5234
DR. DI AI M.D., PH.D.
Pathology (Anatomic Pathology)
5656 KELLEY STREET
HOUSTON, TX 77026
Harris County (713) 566-5261
MR. ANTONIO L. GALVAO NETO M.D.
Pathology (Anatomic Pathology)
5656 KELLEY STREET
HOUSTON, TX 77026
Harris County (713) 566-5261
PEI HWA KUO R. PH PHARMACIST
Pharmacy
5656 KELLEY STREET
HOUSTON, TX 77026
Harris County (713) 566-5136
LISA EDMISTON DE YBARRONDO M.D.
Pediatrics
5656 KELLEY STREET, 500
HOUSTON, TX 77026
Harris County (713) 566-4541
MICHAEL H COVINSKY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
5656 KELLEY STREET
HOUSTON, TX 77026
Harris County (713) 566-5261

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 Nikolaos Zacharias's NPI number?

The NPI number for Nikolaos Zacharias is 1972683225. It was assigned to this individual provider in the NPPES registry on October 17, 2006.

Where is Nikolaos Zacharias located?

Nikolaos Zacharias practices at 5656 Kelley Street Dept Of Ob/Gyn Room # 2ld80 001, Houston, TX 77026. The listed phone number is (713) 566-5976.

What is Nikolaos Zacharias's specialty?

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

Is Nikolaos Zacharias enrolled in Medicare?

Yes. Nikolaos Zacharias is registered in the Medicare PECOS enrollment system.

What insurance does Nikolaos Zacharias accept?

Health plans from Oscar Insurance Company, UnitedHealthcare and WellPoint list Nikolaos Zacharias 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 Nikolaos Zacharias was last updated on December 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.