NPI age
16 years
Enumerated 2010-05-12
● Active Type 2 · Organization
Diversified Independent Diagnostics
Diversified Independent Diagnostics is 1 of 36 family medicine organizations in Texas.
Primary specialty
Family Medicine
Plus 2 secondary
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Grigorian
Director/owner
Last NPPES update
2010-05-12
Source: monthly bulk 2026-05
How this organization compares
Across 36 active family medicine providers in Texas.
NPI age
16 years
↑ 6 yr above median
Practice locations
1
0 secondary on file
Subspecialties
2
In the 61% of peers with subspecialties
NPI lifetime · 2010 → 2026
2010-05Enumerated in NPPES
2010
2026
Where they practice
Primary practice location
1701 Webster St Ste C
Houston, TX 770035800
Mailing address
1701 Webster St Ste C
Houston, TX 770035800
Authorized official
David Grigorian
Director/owner
📞 7136509500
Individual providers at this organization
1 individual provider on file at this primary practice address.
- Giao Nguyen, MD Family Medicine NPI 1477636454
Specialties
-
Family Medicine PrimaryA Family Medicine Physician who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian...
-
Allergy & ImmunologyA physician who specializes in the diagnosis, treatment, and management of allergies.
-
Exclusive Provider Organization(1) An EPO is a form of PPO, in which patients must visit a caregiver that is specified on its panel of providers (is a participating provider). If a visit to an outside(not participating) provider is made the EPO offers very limited or...
Practice context
Multi-provider organization. 1 individual provider 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.