Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Nikolaos Zacharias, MD

Individual provider Maternal & Fetal Medicine Physician · NPI 1972683225

Nikolaos Zacharias, MD practises Obstetrics/Gynecology in Houston, Texas. Qualified in 1995, 31 years ago. Practices with Obstetrix Medical Group of Texas Billing, Inc, a 25-clinician group. Licensed in Texas.

Years since qualifying
31
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5656 Kelley St Dept OF Ob/gyn Rm # 2LD80 001
Houston, TX 77026 Not confirmed with CMS for 11 years — call before visiting
Phone: (713) 566-5976
Fax: (713) 566-4521
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence M2219 (TX)

Record details

NPI number1972683225
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESDecember 19, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Obstetrix Medical Group Of Texas Billing, Inc. — 25 clinicians
Accepts Medicare assignment Not indicated

Colleagues at Obstetrix Medical Group of Texas Billing, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 25 clinicians in the practice; 12 are shown here.

Other providers in Houston