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

BRIAN CARLTON GRINER M.D.
NPI 1366470650
Internal Medicine in Valdosta, GA

Q: What is Brian Griner's NPI number?

The NPI number for Brian Griner is 1366470650. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Q: What is Brian Griner's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Brian Griner was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since June 28, 2006PECOS EnrolledAccepts Medicare Assignment

3301 N OAK STREET EXT, VALDOSTA, GA 31605(229) 242-6061(229) 242-6151 Get Directions Write a Review

NPPES record last updated: October 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 14, 2026, Sep 24, 2026, Mar 26, 2020 and 2 more (5 updates tracked since 2018).

On this page

About Brian Carlton Griner M.d. NPPES

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

BRIAN CARLTON GRINER M.D. (NPI 1366470650) is an individual internal medicine provider in Valdosta, Georgia, licensed in Georgia (046966) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Madison County Memorial Hospital, and is a graduate of University Of Alabama School Of Medicine (1995).

NPPES Registry Identity

NPI1366470650

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameBRIAN CARLTON GRINERCredential: M.D.

Location Address3301 N OAK STREET EXTValdosta, GA 31605-1014

Mailing Address3301 N Oak Street ExtValdosta, GA 31605 · (229) 242-6061 · Fax (229) 242-6151

Phone(229) 242-6061

Fax(229) 242-6151

Sole ProprietorNo

Medical School CMSUniversity Of Alabama School Of MedicineGraduated 1995

Enumeration DateJune 28, 2006

Last NPPES UpdateOctober 14, 20265 updates tracked since enumeration

NPPES CertifiedOctober 14, 2026

✔ NPI 1366470650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in GA · 046966

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.

Also ListedPediatricsTaxonomy 208000000X · License 046966 (GA)

3301 N OAK STREET EXT, Valdosta, GA 31605

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Other Identifiers 7

Medicaid000819706DGA

Medicaid901359126AGA

Medicaid901359126BGA

Medicaid000819706EGA

Medicaid000819706CGA

Medicaid003138857AGA

Medicaid875175410AGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brian Carlton Griner 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 ID2163514175

PECOS Enrollment IDI20070906000041

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 Reassignments

Medicare enrollment records show Brian Griner reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Brian C. Griner, MD, LLC

Same address

Pediatrics

3301 N OAK STREET EXT
Valdosta, GA 31605

Reassigned Medicare billing, Georgia enrollment
4 clinicians in this Medicare group

NPI 1083832901 (229) 242-6061

Hospital Authority Of Valdosta And Lowndes County Georgia

1.7 mi

General Acute Care Hospital

2501 N PATTERSON ST
Valdosta, GA 31602

Reassigned Medicare billing, Georgia enrollment
112 clinicians in this Medicare group

NPI 1306896253 (229) 433-1000

South Georgia Medical Center Inc

1.7 mi

General Acute Care Hospital

2501 N PATTERSON ST
Valdosta, GA 31602

Reassigned Medicare billing, Georgia enrollment
118 clinicians in this Medicare group

NPI 1144096553 (229) 433-1000

Sgmc Physician Network Inc

1.7 mi

Multi-Specialty

2501 N PATTERSON ST
Valdosta, GA 31602

Reassigned Medicare billing, Georgia enrollment
183 clinicians in this Medicare group

NPI 1417597170 (229) 433-1997

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

Areas of Expertise CMS Part B claims 22

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

775 services599 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

335 services71 patients

Administration and interpretation of patient-focused health risk assessment 96160

This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.

231 services167 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

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.

210 services81 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.

133 services106 patients

Hospital discharge day management, 30 minutes or less 99238

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.

103 services77 patients

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.

89 services76 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.

46 services26 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

45 services43 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

42 services42 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

40 services37 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

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.

39 services36 patients

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.

35 services35 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

34 services28 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

30 services14 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

29 services17 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

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.

27 services26 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.

24 services23 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

19 services18 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

17 services17 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

13 services13 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

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.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Madison County Memorial Hospital

Critical Access Hospitals · Madison, FL

OwnershipGovernment - Hospital District or Authority

CMS Certification Number101311

Location224 NW Crane AveMadison, FL 32340 · Madison County

Emergency services

Sgmc Health

Acute Care Hospitals · Valdosta, GA

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number110122

Location2501 North Patterson Street, PO Box 1727Valdosta, GA 31602 · Lowndes County

Emergency services Birthing friendly

Sgmc Berrien Campus

Acute Care Hospitals · Nashville, GA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number110234

Location1221 E Mcpherson AvenueNashville, GA 31639 · Berrien County

Emergency services

Sgmc Health Lanier

Critical Access Hospitals · Lakeland, GA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number111326

Location116 West Thigpen AvenueLakeland, GA 31635 · Lanier County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31605 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

$124.10 typical visit price

range $53.31 – $164.04

Typical copayment $31.02 (range $13.32 – $41.01)

Most-billed visit code 99204

Established Patient

$94.84 typical visit price

range $16.68 – $133.24

Typical copayment $23.71 (range $4.17 – $33.31)

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.

Referred Medical Equipment & Supplies CMS DME claims 24

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 suppliers15 claims49 services$6.75 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

3 suppliers107 claims107 services$37.37 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

4 suppliers83 claims83 services$87.60 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

4 suppliers68 claims164 services$33.77 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

4 suppliers28 claims139 services$18.08 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

3 suppliers12 claims63 services$12.96 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 suppliers66 claims66 services$54.96 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

4 suppliers86 claims86 services$18.20 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

4 suppliers32 claims32 services$15.18 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

4 suppliers116 claims560 services$2.30 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

3 suppliers13 claims13 services$6.00 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

4 suppliers42 claims42 services$11.84 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$42.24 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier12 claims12 services$922.57 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

2 suppliers17 claims17 services$117.13 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

2 suppliers13 claims13 services$146.55 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

4 suppliers61 claims61 services$5.53 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

2 suppliers68 claims68 services$37.92 avg. paid by Medicare

External ambulatory infusion pump, insulin E0784

DME-Other DME · category DE017N

1 supplier12 claims12 services$307.22 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers56 claims56 services$89.93 avg. paid by Medicare

Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms J7606

DME-Drugs Administered Through DME · category DG006N

1 supplier11 claims660 services$6.43 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

1 supplier11 claims660 services$0.82 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

7 suppliers69 claims69 services$192.48 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

1 supplier11 claims11 services$26.09 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 8

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

JAMIE LEIGH CARTER

Nurse Practitioner (Family)

3301 N OAK STREET EXT
VALDOSTA, GA 31605

Lowndes County (229) 242-6061

BRIAN C. GRINER, MD, LLC

Pediatrics

3301 N OAK STREET EXT
VALDOSTA, GA 31605

Lowndes County (229) 242-6061

DR. MATTHEW NIJEM VARN MD

Internal Medicine

3301 N OAK STREET EXT
VALDOSTA, GA 31605

Lowndes County (229) 242-6061

JOSEPH DANIEL SOUDERS PA

Physician Assistant

3301 N OAK STREET EXT
VALDOSTA, GA 31605

Lowndes County (229) 242-6061

KAYLA KASHANA DAVIS FNP

Nurse Practitioner (Family)

3301 N OAK STREET EXT
VALDOSTA, GA 31605

Lowndes County (229) 242-6061

MR. JOHN WILLIAM LEDWITCH III CPNP

Nurse Practitioner (Pediatrics)

3301 N OAK STREET EXT
VALDOSTA, GA 31605

Lowndes County (229) 242-6061

KATIE ELIZABETH MINER N.P.

Nurse Practitioner (Family)

3301 N OAK STREET EXT
VALDOSTA, GA 31605

Lowndes County (229) 242-6061

TREVOR LAWTON DAVIS PA

Physician Assistant

3301 N OAK STREET EXT
VALDOSTA, GA 31605

Lowndes County (229) 242-6061

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 Brian Griner's NPI number?

The NPI number for Brian Griner is 1366470650. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Brian Griner located?

Brian Griner practices at 3301 N Oak Street Ext, Valdosta, GA 31605. The listed phone number is (229) 242-6061.

What is Brian Griner's specialty?

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

Is Brian Griner enrolled in Medicare?

Yes. Brian Griner 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.

Which organizations bill Medicare for Brian Griner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Griner reassigns Medicare benefits to 4 organizations: Brian C. Griner, MD, LLC (Valdosta, GA), Hospital Authority Of Valdosta And Lowndes County Georgia (Valdosta, GA), South Georgia Medical Center Inc (Valdosta, GA) and Sgmc Physician Network Inc (Valdosta, GA). Each 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 Brian Griner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian Griner accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 2 other insurers list Brian Griner 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 Brian Griner affiliated with any hospitals?

According to CMS data, Brian Griner is affiliated with Madison County Memorial Hospital, Sgmc Health, Sgmc Berrien Campus and Sgmc Health Lanier.

When was this NPI record last updated?

The NPPES record for Brian Griner was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.