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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CARL ALEXANDER DAVIS M.D.
NPI 1376594044
Family Medicine in Nacogdoches, TX

Active since May 15, 2006PECOS EnrolledCLIA 45D1028959 · Waiver
4701 NE STALLINGS DR, NACOGDOCHES, TX 75965(936) 305-4155(936) 305-3036 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 5, 2026, Jan 28, 2026, Nov 13, 2023 and 2 more (5 updates tracked since 2019).

About Dr. Carl Alexander Davis M.d. NPPES

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

DR. CARL ALEXANDER DAVIS M.D. (NPI 1376594044) is an individual family medicine provider in Nacogdoches, Texas, licensed in Texas (L8030) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through August 5, 2028, and is affiliated with Nacogdoches Memorial Hospital.

NPPES Registry Identity

NPI1376594044
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. CARL ALEXANDER DAVISCredential: M.D.
Location Address4701 NE STALLINGS DRNacogdoches, TX 75965-1607
Mailing Address4701 Ne Stallings DrNacogdoches, TX 75965-1607 · (936) 305-4155 · Fax (936) 305-3036
Phone(936) 305-4155
Fax(936) 305-3036
Sole ProprietorYes
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 2001
Enumeration DateMay 15, 2006
Last NPPES UpdateOctober 5, 20265 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1376594044 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 · L8030
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.
4701 NE STALLINGS DR, Nacogdoches, TX 75965
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Other Identifiers 1

Medicaid166129001TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, UnitedHealthcare.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

Dr. Carl Alexander Davis M.d. 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 ID8426038985
PECOS Enrollment IDI20040723001007
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.

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 45D1028959

Carl A Davis, MD · Nacogdoches, TX
Active · expires Aug 5, 2028
CLIA Number45D1028959
Laboratory TypePhysician Office
Certificate Effective DateAugust 6, 2026
Certificate Expiration DateAugust 5, 2028
Laboratory DirectorCarl A. Davis
Laboratory Phone(936) 305-4155
Laboratory LocationCarl A Davis, MD4701 NE Stallings Dr, Nacogdoches, TX 75965
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 11

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
523 services189 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
136 services110 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
108 services24 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
94 services64 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
68 services57 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
61 services26 patients

Hospital Affiliations CMS Care Compare 2

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

Nacogdoches Memorial Hospital

Acute Care Hospitals · Nacogdoches, TX
1/5 CMS rating
OwnershipProprietary
CMS Certification Number450508
Location1204 Mound StNacogdoches, TX 75961 · Nacogdoches County
Emergency services Birthing friendly

Nacogdoches Medical Center

Acute Care Hospitals · Nacogdoches, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number450656
Location4920 NE Stallings DriveNacogdoches, TX 75965 · Nacogdoches County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75965 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.

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.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
99%111 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 12

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
5 suppliers28 claims90 services$5.94 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers17 claims26 services$1.04 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
6 suppliers14 claims14 services$39.88 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
5 suppliers21 claims21 services$115.28 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
6 suppliers22 claims55 services$40.76 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers14 claims14 services$55.08 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

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

CARL A DAVIS MD
Family Medicine
4701 NE STALLINGS DR
NACOGDOCHES, TX 75965
Nacogdoches County (936) 305-4155

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 Carl Davis's NPI number?

The NPI number for Carl Davis is 1376594044. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Where is Carl Davis located?

Carl Davis practices at 4701 NE Stallings Dr, Nacogdoches, TX 75965. The listed phone number is (936) 305-4155.

What is Carl Davis's specialty?

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

Is Carl Davis enrolled in Medicare?

Yes. Carl Davis 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.

Does Carl Davis hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1028959) is associated with this NPI, valid through August 5, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Carl Davis accept?

Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Carl Davis 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 Carl Davis affiliated with any hospitals?

According to CMS data, Carl Davis is affiliated with Nacogdoches Memorial Hospital and Nacogdoches Medical Center.

When was this NPI record last updated?

The NPPES record for Carl Davis was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.