DAVID B GRISSOM MD
NPI 1033188677
Internal Medicine in Fort Worth, TX

Active since March 16, 2006PECOS EnrolledAccepts Medicare Assignment
91.96/100
CMS Quality Rating
1500 S MAIN ST, FORT WORTH, TX 76104(817) 702-1100 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About David B Grissom Md NPPES

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

DAVID B GRISSOM MD (NPI 1033188677) is an individual internal medicine provider in Fort Worth, Texas, licensed in Texas (K7547) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Jps Health Network, and maintains a secondary practice location in Fort Worth.

NPPES Registry Identity

NPI1033188677
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDAVID B GRISSOMCredential: MD
Location Address1500 S MAIN STFort Worth, TX 76104-4917
Mailing AddressPo Box 99335Fort Worth, TX 76199-0335 · (817) 920-7340
Sole ProprietorNo
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 1992
Enumeration DateMarch 16, 2006
Last NPPES UpdateSeptember 10, 2025
NPPES CertifiedSeptember 10, 2025
NPI 1033188677 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 · K7547
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.
1500 S MAIN ST, Fort Worth, TX 76104

Secondary Practice Location 1

Location 1855 MontgomeryFort Worth, TX 76107-2553 · Phone (817) 920-7340 · Fax (817) 534-0729

Other Identifiers 3

Medicaid111903406TX
Other8J9055TX · Bcbs
OtherP00312850TX · Railroad Medicare

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

David B Grissom Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2860481090
PECOS Enrollment IDI20040511001412
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
16 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Jps Health Network

Acute Care Hospitals · Fort Worth, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450039
Location1500 S Main StFort Worth, TX 76104 · Tarrant County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76104 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
$129.63 typical visit price
range $56.47 – $171.07
Typical copayment $32.40 (range $14.11 – $42.76)
Most-billed visit code 99204
Established Patient
$99.68 typical visit price
range $18.18 – $139.68
Typical copayment $24.92 (range $4.54 – $34.92)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.96/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.78
Promoting Interoperability100
Improvement Activities40
Cost56.81

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers20 claims83 services$6.54 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers14 claims28 services$1.21 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier12 claims12 services$169.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

Family Medicine
1500 S MAIN ST
FORT WORTH, TX 76104
Nurse Anesthetist, Certified Registered
1500 S MAIN ST
FORT WORTH, TX 76104
Family Medicine
1500 S MAIN ST
FT WORTH, TX 76104
Student in an Organized Health Care Education/Training Program
1500 S MAIN ST
FORT WORTH, TX 76104
Student in an Organized Health Care Education/Training Program
1500 S MAIN ST
FORT WORTH, TX 76104
Student in an Organized Health Care Education/Training Program
1500 S MAIN ST
FORT WORTH, TX 76104
Family Medicine
1500 S MAIN ST, FAMILY MEDICINE CENTER
FORT WORTH, TX 76104
Physician Assistant
1500 S MAIN ST
FORT WORTH, TX 76104

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 David Grissom's NPI number?

The NPI number for David Grissom is 1033188677. It was assigned to this individual provider in the NPPES registry on March 16, 2006.

Where is David Grissom located?

David Grissom practices at 1500 S Main St, Fort Worth, TX 76104. The listed phone number is (817) 702-1100.

What is David Grissom's specialty?

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

Is David Grissom enrolled in Medicare?

Yes. David Grissom is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does David Grissom accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list David Grissom 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.

Is David Grissom affiliated with any hospitals?

According to CMS data, David Grissom is affiliated with Jps Health Network.

When was this NPI record last updated?

The NPPES record for David Grissom was last updated on September 10, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.