NPI age
11 years
Enumerated 2014-09-10
● Active Type 2 · Organization
P Mark Glencross MD MPH PA
P Mark Glencross MD MPH PA is 1 of 1927 clinic/center organizations in Texas.
Primary specialty
Clinic/Center
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Glencross
Owner
Last NPPES update
2015-03-30
Source: monthly bulk 2026-05
How this organization compares
Across 1927 active clinic/center providers in Texas.
NPI age
11 years
≈ at median (10 yr)
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2014 → 2026
2014-09Enumerated in NPPES
2014
2026
Where they practice
Primary practice location
6550 Fannin St Ste 555
Houston, TX 770302717
Mailing address
5868 Westheimer Rd # 312
Houston, TX 770575641
Authorized official
Philip Mark Glencross, MD MPH
Owner
📞 9044761723
Individual providers at this organization
2 individual providers on file at this primary practice address.
- Jelencia Marion, NP Nurse Practitioner NPI 1881208213
- Jameka Means, APRN Nurse Practitioner NPI 1326669797
Specialties
-
Clinic/Center PrimaryA facility or distinct part of one used for the diagnosis and treatment of outpatients. "Clinic/Center" is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct...
Practice context
Multi-provider organization. 2 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 →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.