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FAMILY DIAGNOSTIC CLINIC
NPI 1285816454
Internal Medicine in Tomball, TX

Active since November 29, 2007CLIA 45D0971640 · Waiver
27721 TOMBALL PKWY, SUITE 200, TOMBALL, TX 77375(281) 351-6800(281) 516-9020 Get Directions Write a Review

NPPES record last updated: May 5, 2014. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Family Diagnostic Clinic NPPES

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

FAMILY DIAGNOSTIC CLINIC (NPI 1285816454) is a healthcare organization registered as an internal medicine in Tomball, Texas and active in the NPI registry since November 2007. The organization holds a CLIA Waiver certificate valid through March 16, 2028 and lists Imran Nathani, Owner, as its authorized official.

NPPES Registry Identity

NPI1285816454
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameIMRAN NATHANI ,M.D. P.A.
Location Address27721 TOMBALL PKWY, SUITE 200Tomball, TX 77375-6561
Mailing Address27721 Tomball Pkwy, Suite 200Tomball, TX 77375-6561 · (281) 351-6800 · Fax (281) 516-9020
Phone(281) 351-6800
Fax(281) 516-9020
Organization SubpartNo
Authorized OfficialImran NathaniOwner · (281) 351-6800
Enumeration DateNovember 29, 2007
Last NPPES UpdateMay 5, 2014
✔ NPI 1285816454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
27721 TOMBALL PKWY, Tomball, TX 77375
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Other Names 1

Doing Business AsFamily Diagnostic Clinic

Other Identifiers 3

OtherDB4553TX · Railroad Medicare
Medicare PIN00017TTX
Medicaid152709502TX

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Family Diagnostic Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Family Diagnostic Clinic, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Passion Bryant, AGNP
Nurse Practitioner
NPI 1841783529
27721 TOMBALL PKWY STE 200
Tomball, TX 77375
(281) 351-6800
✔ PECOSSame address
Muhammad Irfan, M.D.
Internal Medicine
NPI 1972570489
27721 TOMBALL PKWY SUITE 200
Tomball, TX 77375
(281) 351-6800
✔ PECOS✔ Accepts MedicareSame address
Imran Nathani, MD
Internal Medicine
NPI 1164495339
27721 TOMBALL PKWY SUITE 200
Tomball, TX 77375
(281) 351-6800
✔ PECOS✔ Accepts MedicareSame address
Lilia Rasul
Nurse Practitioner
NPI 1255846473
27721 TOMBALL PKWY STE 200
Tomball, TX 77375
(281) 351-6800
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D0971640

Family Diagnostic Clinic · Tomball, TX
Active · expires Mar 16, 2028
CLIA Number45D0971640
Laboratory TypePhysician Office
Certificate Effective DateMarch 17, 2026
Certificate Expiration DateMarch 16, 2028
Laboratory DirectorImran Nathani
Laboratory Phone(281) 351-6800
Laboratory LocationFamily Diagnostic Clinic27721 Tomball Parkway Suite 200, Tomball, TX 77375
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Imran Nathani ,m.D. P.A.'s NPI number?

The NPI number for Imran Nathani ,m.D. P.A. is 1285816454. It was assigned to this organization in the NPPES registry on November 29, 2007. The provider is doing business as Family Diagnostic Clinic.

Where is Imran Nathani ,m.D. P.A. located?

Imran Nathani ,m.D. P.A. is located at 27721 Tomball Pkwy Suite 200, Tomball, TX 77375. The listed phone number is (281) 351-6800.

What is Imran Nathani ,m.D. P.A.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Imran Nathani ,m.D. P.A. enrolled in Medicare?

Yes. Imran Nathani ,m.D. P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Imran Nathani ,m.D. P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Imran Nathani ,m.D. P.A., in Internal Medicine and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Imran Nathani ,m.D. P.A. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D0971640) is associated with this NPI, valid through March 16, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Imran Nathani ,m.D. P.A. accept?

Health plans from WellPoint list Imran Nathani ,m.D. P.A. 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 Imran Nathani ,m.D. P.A. was last updated on May 5, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.