Mary Lou Spray , NP
Nurse Practitioner β’ Houston, TX
6701 Fannin St
Houston, TX 770302608
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
6701 Fannin St
Houston, TX 770302608
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2021β2025.
NPI first issued
2013
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Houston and Texas
785 active clinicians are listed under Nurse Practitioner with a practice address in Houston, TX (4,835 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Houston
13.6% of these 785 clinicians have the CMS telehealth indicator.
43.7% of these 785 clinicians are listed by CMS as accepting Medicare assignment.
Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Physician Assistant - Medical
Physician Assistant
Pediatrics - Pediatric Cardiology
Doctor of Medicine (M.D.)
Nurse Anesthetist, Certified Registered
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
NPI status registered as active in NPPES database
Registered at 2450 HOLCOMBE BLVD, STE NB-34L, HOUSTON, TX 770212039 (Tel: 8328283660)
Registered at 6701 FANNIN ST, HOUSTON, TX 770302608 (Tel: 8328241000)
Recorded as MARY SPRAY, NP
Nurse Practitioner (license number reported to NPPES: TX 515330)
NPI status registered as active in NPPES database
Registered at 6701 FANNIN ST, HOUSTON, TX 770302608 (Tel: 8328241000)
Registered at 2 GREENWAY PLZ STE 300, HOUSTON, TX 770460207
Recorded as MARY SPRAY, NP
Nurse Practitioner (license number reported to NPPES: TX 515330)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Nurse Practitioners in Houston
- Pamela Mccarthy, RN, ONP
- Lutricia Harrison, NP
- Sara Mehari, ACNPC-AG
- Esther Nyarko, NP-C
- Nicholas Szewczyk, APRN
- Marlene Molinar, RN CNP
Mailing Address
2450 Holcombe Blvd, Ste Nb-34l
Houston, TX 770212039
Phone: 8328283660