DR. GREGORY DUHON MD
NPI 1487034039
Internal Medicine in Dothan, AL

NPI Status: Active since June 08, 2015

Contact Information

4370 W MAIN ST
DOTHAN, AL
ZIP 36305
Phone: (334) 793-5000

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  • Individual
  • Male
  • Years of Experience 11
  • Internal Medicine
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About GREGORY DUHON

This page provides the complete NPI Profile along with additional information for Gregory Duhon, an internist established in Dothan, Alabama with a medical specialization in Internal Medicine and more than 11 years of experience. The healthcare provider is registered in the NPI registry with number 1487034039 assigned on June 2015. The practitioner's primary taxonomy code is 207R00000X with license number 42432 (AL). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1487034039
Provider Name
DR. GREGORY DUHON MD
Gender
Male
Entity Type
Individual
Location Address
4370 W MAIN ST DOTHAN, AL 36305
Location Phone
(334) 793-5000
Mailing Address
327 MCDONALD AVE BATON ROUGE, LA 70808
Medical School Name
OTHER
Graduation Year
2015
Is Sole Proprietor?
Yes
Enumeration Date
06-08-2015
Last Update Date
04-29-2026
Code Navigator

An internist like Gregory Duhon is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 800 E Dawson St
    Tyler, TX 75701
    (903) 606-7264
  • 700 E Marshall Ave
    Longview, TX 75601
    (903) 315-1488
  • 1024 N Starrett Rd
    Metairie, LA 70003
    (225) 287-6812
  • 150 Memorial Dr
    Kingwood, WV 26537
    (304) 329-1400
  • 230 Hospital Plz
    Weston, WV 26452
    (304) 269-8000
  • 4777 E Galbraith Rd
    Cincinnati, OH 45236
    (513) 686-5441

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
42432
License State
AL
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

C0289 (KY)
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

63578 (TN)
3207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

32592 (WV)
4207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

T7104 (TX)
5208M00000XAllopathic & Osteopathic Physicians

Hospitalist

32592 (WV)
6208M00000XAllopathic & Osteopathic Physicians

Hospitalist

T7104 (TX)
7208M00000XAllopathic & Osteopathic Physicians

Hospitalist

01090637A (IN)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • AvMed Entrust Bronze 600 (2026) - HMO
  • AvMed Entrust Bronze 650 (2026) - HMO
  • AvMed Entrust Expanded Bronze Standard (2026) - HMO
  • AvMed Entrust Gold 125 (2026) - HMO
  • AvMed Entrust Gold 125 Dental+Vision (2026) - HMO
  • AvMed Entrust Gold Standard (2026) - HMO
  • AvMed Entrust Platinum 25 (2026) - HMO
  • AvMed Entrust Platinum 25 Dental+Vision (2026) - HMO
  • AvMed Entrust Platinum Standard (2026) - HMO
  • AvMed Entrust Silver 350 (2026) - HMO
  • Blue Advantage Bronze HMO? 204 - HMO
  • Blue Advantage Bronze HMO? 301 - HMO
  • Blue Advantage Bronze HMO? Standard - HMO
  • Blue Advantage Gold HMO? 206 - HMO
  • Blue Advantage Gold HMO? 603 - HMO
  • Blue Advantage Gold HMO? Standard - HMO
  • Blue Advantage Plus Bronze? 303 - POS
  • Blue Advantage Plus Bronze? 305 - POS
  • Blue Advantage Plus Bronze? Standard - POS
  • Blue Advantage Plus Gold? 203 - POS
  • AZ Blue AdvanceHealth Bronze Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Bronze Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Gold Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Gold Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Silver Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Silver Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue EverydayHealth Gold Focus (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Gold Neighborhood (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Silver Focus (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Silver Neighborhood (1 Free PCP Visit) - HMO
  • Bronze 7500 $25 Generic Drugs - HMO
  • Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Gold 2000 $15 Generic Drugs - HMO
  • Gold 2000 $15 Generic Drugs + Adult Vision & Fitness - HMO
  • Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • CHRISTUS Bronze (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) - HMO
  • CHRISTUS Bronze + Dental & Vision (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) - HMO
  • CHRISTUS Bronze Essential - HMO
  • CHRISTUS Bronze Essential (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) - HMO
  • CHRISTUS Bronze Essential + Dental & Vision (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) - HMO
  • CHRISTUS Bronze Essential Plus - HMO
  • CHRISTUS Catastrophic (3 Free PCP visits) - HMO
  • CHRISTUS Gold - HMO
  • CHRISTUS Gold + Dental & Vision + Fitness ($0 Deductible, $5 PCP, $0 Generic Rx, $0 Virtual Urgent Care) - HMO
  • CHRISTUS Gold + Fitness ($0 Deductible, $5 PCP, $0 Generic Rx, $0 Virtual Urgent Care) - HMO
  • Blue Connect 80/60 $3200 with 2 $0 PCP Virtual Visits (L) - POS
  • Blue Connect 80/60 $3200 with 2 $0 PCP Virtual Visits (N) - POS
  • Blue Connect 80/60 $3200 with 2 $0 PCP Virtual Visits (S) - POS
  • Blue Connect Copay (PCP) 50/50 $7500 Standardized (H) HSA Eligible - POS
  • Blue Connect Copay (PCP) 50/50 $7500 Standardized (L) HSA Eligible - POS
  • Blue Connect Copay (PCP) 50/50 $7500 Standardized (N) HSA Eligible - POS
  • Blue Connect Copay (PCP) 50/50 $7500 Standardized (S) HSA Eligible - POS
  • Blue Connect Copay (PCP) 60/40 $6000 Standardized (L) - POS
  • Blue Connect Copay (PCP) 60/40 $6000 Standardized (N) - POS
  • Blue Connect Copay (PCP) 60/40 $6000 Standardized (S) - POS

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Gregory Duhon is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Gregory Duhon is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 8527319243

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20230427002374, I20240908000128

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Hospital discharge day management, 30 minutes or less

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

This service was performed 21 times for 20 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 29 times for 28 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 41 times for 41 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 104 times for 38 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

This service was performed 27 times for 16 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $30.57 for a new patient copayment and $23.43 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 36305 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $122.31
  • Minimum New Patient Price $52.65
  • Maximum New Patient Price $161.63
  • Average New Patient Copayment $30.57
  • Minimum New Patient Copayment $13.16
  • Maximum New Patient Copayment $40.4

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $93.72
  • Minimum Established Patient Price $16.56
  • Maximum Established Patient Price $131.65
  • Average Established Patient Copayment $23.43
  • Minimum Established Patient Copayment $4.14
  • Maximum Established Patient Copayment $32.91

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Gregory Duhon is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
CRAWFORD MEMORIAL HOSPITAL1000 NORTH ALLEN STREET
ROBINSON, IL 62454
(618) 544-3131Critical Access Hospitals
CORPUS CHRISTI MEDICAL CENTER,THE6629 WOODRIDGE ROAD
CORPUS CHRISTI, TX 78414
(361) 761-1501Acute Care Hospitals
DAVIS MEDICAL CENTER812 GORMAN AVENUE
ELKINS, WV 26241
(304) 636-3300Acute Care Hospitals
PRESTON MEMORIAL HOSPITAL150 MEMORIAL DRIVE
KINGWOOD, WV 26537
(304) 329-1400Critical Access Hospitals

Reviews for DR. GREGORY DUHON MD

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1487034039, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
3
Doubled → 6
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 0 → 0 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 1 + 6 + 7 + 0 + 3 + 8 + 0 + 6 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1487034039.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pathology (Anatomic Pathology & Clinical Pathology)
4370 W MAIN ST
DOTHAN, AL 36305
Pathology (Anatomic Pathology & Clinical Pathology)
4370 W MAIN ST
DOTHAN, AL 36305
Pathology (Anatomic Pathology & Clinical Pathology)
4370 W MAIN ST
DOTHAN, AL 36305
Anesthesiology
4370 W MAIN ST, ANESTHESIA DEPT
DOTHAN, AL 36305
Anesthesiology
4370 W MAIN ST, ANESTHESIA DEPT
DOTHAN, AL 36305
Anesthesiology
4370 W MAIN ST, ANESTHESIA DEPT
DOTHAN, AL 36305
Anesthesiology
4370 W MAIN ST, ANESTHESIA DEPT
DOTHAN, AL 36305
Anesthesiology
4370 W MAIN ST, ANESTHESIA DEPT
DOTHAN, AL 36305
Anesthesiology
4370 W MAIN ST, ANESTHESIA DEPT
DOTHAN, AL 36305
Anesthesiology
4370 W MAIN ST, ANESTHESIA DEPT
DOTHAN, AL 36305
Anesthesiology
4370 W MAIN ST, ANESTHESIA DEPT
DOTHAN, AL 36305
Emergency Medicine
4370 W MAIN ST
DOTHAN, AL 36305
Nurse Anesthetist, Certified Registered
4370 W MAIN ST
DOTHAN, AL 36305
Nurse Anesthetist, Certified Registered
4370 W MAIN ST
DOTHAN, AL 36305
Nurse Anesthetist, Certified Registered
4370 W MAIN ST
DOTHAN, AL 36305
Nurse Anesthetist, Certified Registered
4370 W MAIN ST
DOTHAN, AL 36305
Nurse Anesthetist, Certified Registered
4370 W MAIN ST
DOTHAN, AL 36305
Nurse Anesthetist, Certified Registered
4370 W MAIN ST
DOTHAN, AL 36305
Nurse Anesthetist, Certified Registered
4370 W MAIN ST
DOTHAN, AL 36305
Nurse Anesthetist, Certified Registered
4370 W MAIN ST
DOTHAN, AL 36305

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487034039, enumerated as an "individual" on June 08, 2015.

The provider is located at 4370 W MAIN ST DOTHAN, AL 36305 and the phone number is (334) 793-5000.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: AvMed, Blue Cross and Blue Shield of Texas, Blue. Please consult your insurance carrier or call the provider to verify.

Gregory Duhon is affiliated with: CRAWFORD MEMORIAL HOSPITAL, CORPUS CHRISTI MEDICAL CENTER,THE, DAVIS MEDICAL CENTER and PRESTON MEMORIAL HOSPITAL.