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CLARISSA ANNE LONG DO
NPI 1245922103
Family Medicine in Athens, TX

Active since May 22, 2023PECOS Enrolled
115 MEDICAL CIR STE 100, ATHENS, TX 75751(903) 603-7067(903) 603-7595 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 23, 2026, Jul 7, 2026, May 22, 2023 (3 updates tracked since 2023).

About Clarissa Anne Long Do NPPES

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

CLARISSA ANNE LONG DO (NPI 1245922103) is an individual family medicine provider in Athens, Texas, licensed in Texas (V9652) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and is a graduate of Lincoln Mem Univ, Debusk Col Of Osteopathic Med (2023).

NPPES Registry Identity

NPI1245922103
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameCLARISSA ANNE LONGCredential: DO
Location Address115 MEDICAL CIR STE 100Athens, TX 75751-9004
Mailing AddressPo Box 1610Athens, TX 75751-1610 · (903) 603-7067 · Fax (903) 603-7595
Phone(903) 603-7067
Fax(903) 603-7595
Sole ProprietorNo
Medical School CMSLincoln Mem Univ, Debusk Col Of Osteopathic MedGraduated 2023
Enumeration DateMay 22, 2023
Last NPPES UpdateJuly 23, 20263 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1245922103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · V9652
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
115 MEDICAL CIR STE 100, Athens, TX 75751
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Clarissa Anne Long Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1355705930
PECOS Enrollment IDI20260806001667
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Clarissa Long reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

East Texas Community Clinic, Inc.
19 mi
Federally Qualified Health Center (FQHC)
801 W MAIN ST
Gun Barrel City, TX 75156
  • Reassigned Medicare billing, Texas enrollment
  • 11 clinicians in this Medicare group
NPI 1033752456 (903) 887-1011

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75751 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RICHARD T DAVID MD
Family Medicine
115 MEDICAL CIR STE 100
ATHENS, TX 75751
Henderson County (903) 603-7067
EAST TEXAS COMMUNITY CLINIC, INC.
Clinic/Center (Federally Qualified Health Center (FQHC))
115 MEDICAL CIR STE 100
ATHENS, TX 75751
Henderson County (903) 603-7067
GANNON BRADLEY MARSH FNP
Nurse Practitioner (Family)
115 MEDICAL CIR STE 100
ATHENS, TX 75751
Henderson County (903) 676-1144
JAMES PITTMAN MD
Family Medicine
115 MEDICAL CIR STE 100
ATHENS, TX 75751
Henderson County (903) 603-7067

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 Clarissa Long's NPI number?

The NPI number for Clarissa Long is 1245922103. It was assigned to this individual provider in the NPPES registry on May 22, 2023.

Where is Clarissa Long located?

Clarissa Long practices at 115 Medical Cir Ste 100, Athens, TX 75751. The listed phone number is (903) 603-7067.

What is Clarissa Long's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Clarissa Long enrolled in Medicare?

Yes. Clarissa Long is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Clarissa Long's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Clarissa Long reassigns Medicare benefits to East Texas Community Clinic, Inc. (Gun Barrel City, TX). The 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 Clarissa Long's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Clarissa Long was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.