DOCTOR IS IN, PA
NPI 1093736985
Internal Medicine in Greenville, TX

Active since July 23, 2006CLIA 45D1058855 · Waiver
4812 ROBERTS ST, GREENVILLE, TX 75401(903) 455-1234(903) 455-2122 Get Directions Write a Review

NPPES record last updated: October 12, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Doctor Is In, Pa NPPES

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

DOCTOR IS IN, PA (NPI 1093736985) is a healthcare organization registered as an internal medicine in Greenville, Texas and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through September 17, 2028 and lists Hassan Farooq, Physician Owner, as its authorized official.

NPPES Registry Identity

NPI1093736985
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDOCTOR IS IN, PA
Location Address4812 ROBERTS STGreenville, TX 75401-5669
Mailing Address4812 Roberts StGreenville, TX 75401-5669 · (903) 455-1234 · Fax (903) 455-2122
Fax(903) 455-2122
Organization SubpartNo
Authorized OfficialHassan FarooqPhysician Owner · (903) 455-1234
Enumeration DateJuly 23, 2006
Last NPPES UpdateOctober 12, 2020
NPPES CertifiedOctober 12, 2020
✔ NPI 1093736985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · K4421
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.
4812 ROBERTS ST, Greenville, TX 75401

Other Identifiers 1

Medicaid189004801TX

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Doctor Is In, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Doctor Is In, PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Internal Medicine
NPI 1154370179
4812 ROBERTS ST
Greenville, TX 75401
(903) 455-1234
✔ 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 45D1058855

Doctor Is In ,pa · Greenville, TX
Active · expires Sep 17, 2028
CLIA Number45D1058855
Laboratory TypeOther
Certificate Effective DateSeptember 18, 2026
Certificate Expiration DateSeptember 17, 2028
Laboratory DirectorHassan Farooq, MD
Laboratory Phone(903) 455-1234
Laboratory LocationDoctor Is In ,pa4812 Roberts, Greenville, TX 75401
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 Doctor Is In, PA's NPI number?

The NPI number for Doctor Is In, PA is 1093736985. It was assigned to this organization in the NPPES registry on July 23, 2006.

Where is Doctor Is In, PA located?

Doctor Is In, PA is located at 4812 Roberts St, Greenville, TX 75401. The listed phone number is (903) 455-1234.

What is Doctor Is In, PA's specialty?

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

Is Doctor Is In, PA enrolled in Medicare?

Yes. Doctor Is In, PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Doctor Is In, PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Doctor Is In, PA. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Doctor Is In, PA hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1058855) is associated with this NPI, valid through September 17, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Doctor Is In, PA accept?

Health plans from Molina Healthcare list Doctor Is In, PA 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 Doctor Is In, PA was last updated on October 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.