Dr. Reginald Dwain Gladish, MD

  • Huntsville, AL
  • Nephrologist
NPI1831167287PAC ID7517935273
Medicare services, 2024
3,921
Medicare patients, 2024
674
Part D claims, 2024
2,713
Publications
6
Hospital affiliations
2
Practice address
810 Franklin SE St, Huntsville, AL 35801
Practice phone
Call (256) 233-4730
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Athens Dialysis

Huntsville, Alabama

See all 9 affiliations

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Dr. Reginald Dwain Gladish is a nephrologist in Huntsville, Alabama

Dr. Gladish practices at Athens Dialysis in Huntsville, Alabama.

Dr. Gladish's NPI, 1831167287, was assigned on March 10, 2006. Dr. Gladish graduated from LSU Health Shreveport School of Medicine in 1993. Dr. Gladish's Alabama license number on file is 18219.

NPI and contact details
Medicare PAC ID
7517935273
NPI enumeration date
March 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(256) 233-4730
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Reginald Dwain Gladish practices at Athens Dialysis in Huntsville, Alabama

Dr. Gladish's primary practice is Athens Dialysis, at 810 Franklin SE St, Huntsville, AL 35801 in Madison County. The practice phone is (256) 233-4730.

  • Athens Dialysis
    810 Franklin SE St, Huntsville, AL 35801 · Madison CountyPhone(256) 233-4730

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Reginald Dwain Gladish is affiliated with 8 sites of care and 1 medical group

Dr. Gladish's primary practice is Athens Dialysis in Huntsville, Alabama. Dr. Gladish is also affiliated with Decatur Morgan Hospital. The medical group on file is Nephrology of North Alabama. Dmand AI also links Dr. Gladish to 1 more hospital and 5 dialysis centers, each named with a free account.

See all 9 affiliations for Dr. Gladish

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Reginald Dwain Gladish's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gladish practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Athens DialysisAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Reginald Dwain Gladish is one of 185 nephrologists in Alabama

Nephrology is Dr. Gladish's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Gladish is board certified in internal medicine by the American Board of Internal Medicine. Dr. Gladish has a license on file in Alabama.

Specialties and state licenses

  • Nephrology, AlabamaPrimaryLicense 18219 · 1994 to 2025 · taxonomy 207RN0300X

Clinical focus

Dmand AI lists acute kidney failure, chronic anemia, chronic kidney disease, fluid and electrolyte imbalances, gout and kidney disease among the conditions Dr. Gladish treats.

Nephrologists near Dr. Gladish

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Reginald Dwain Gladish billed Medicare for 3,921 services in 2024

CMS data shows 3,921 Medicare services from Dr. Gladish across 14 procedure codes in 2024, for 674 Medicare patients. Medicare paid $324,426 for them.

Medicare services, 20243,921
Medicare patients674
Paid by Medicare$324,426
Procedure codes14

Dr. Gladish's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,6432024: 1,46611%
Other services
2023: 2,0352024: 1,37033%
Tests and treatments
2023: 1,2622024: 95624%
Imaging
2023: 752024: 818%
Lab and pathology
2023: 1762024: 4873%

Where Dr. Gladish's Medicare services took place, 2024

  • In an office2,89274%
  • In a facility1,02926%

Dr. Gladish compared with the Alabama median for nephrologists, 2024

  • Dr. Gladish
  • Alabama median
Medicare services
3,921vs 1,2743.1 times
Medicare patients
674vs 34098% above
Part D claims
2,349vs 8082.9 times

Medians across 180 nephrologists in Alabama with Dmand AI profiles that report each measure.

Dr. Gladish's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Gladish

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gladish and other nephrologists in Alabama.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Reginald Dwain Gladish treated 674 Medicare patients in 2024, average age 75

CMS counts 674 Medicare patients who saw Dr. Gladish in 2024. The largest group is 75 to 84, with 276 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 20% are also on Medicaid. Their average risk score is 3.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Gladish's median patient age at 73, with 54% women.

Medicare patients, 2024674
Average age75
Average risk score3.17
Also on Medicaid20%

Dr. Gladish's Medicare patients by age, 2024

Dr. Gladish's Medicare patients by sex, 2024

  • Women34251%
  • Men33249%

Chronic conditions among Dr. Gladish's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes61%
  5. Arthritis54%
  6. Ischemic heart disease50%
  7. Heart failure49%
  8. Atrial fibrillation35%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gladish's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women54%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Reginald Dwain Gladish wrote 2,713 Medicare Part D claims in 2024

In 2024, Dr. Gladish wrote 2,713 Medicare Part D claims for 412 patients. 90% of them were for generic drugs. CMS names the drug for 2,349 of them, across 54 drugs with 11 or more claims each, at $227,367 in total drug cost. In 2023, CMS named 2,322 claims across 51 drugs.

Part D claims, 20242,713
Drugs named by CMS54
Total drug cost$227,367
Part D patients412

Dr. Gladish's Part D claims by kind of drug, 2024

  • Generic2,437 claims90%
  • Brand-name276 claims10%

Dr. Gladish's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Gladish's Part D claims, 2024

  • Opioids2%52 of 2,713 claims
  • Antibiotics4%97 of 2,713 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,3222024: 2,3491%

Drugs named by CMS: 54 in 2024, 51 in 2023.

See all prescribing by Dr. Gladish

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Reginald Dwain Gladish takes part in Medicare

Dr. Gladish accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Reginald Dwain Gladish has 6 publications on record

Dmand AI links 6 papers to Dr. Gladish, published from 2021 to 2025. 2023 was the busiest year, with 2. The most frequent topics are COVID-19, COVID-19 Vaccines and Immunogenicity, Vaccine. Dr. Gladish has published most often in Am J Kidney Dis. Dr. Gladish's most frequent co-authors are Kenneth Dominic Abreo, MBBS, Christos P. Argyropoulos, MD, PhD and Eduardo K. Lacson, MD, MPH.

Papers6
Years published2021 to 2025

Dr. Gladish's papers by year, 2021 to 2025

Topics Dr. Gladish writes about most

  • COVID-19
  • COVID-19 Vaccines
  • Immunogenicity, Vaccine
  • Renal Dialysis
  • SARS-CoV-2

Dr. Gladish's most frequent co-authors

Recent publications by Dr. Gladish

See all 6 publications and co-authors

See who Dr. Gladish researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gladish works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Reginald Dwain Gladish received $15,173 in industry payments from 2016 to 2025

CMS Open Payments shows 295 general payments to Dr. Gladish from 30 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 51% of the total. Outset Medical Inc paid the most, $10,050.

General payments to Dr. Gladish by program year, 2016 to 2025

General payments to Dr. Gladish by kind, 2016 to 2025

$15.2Kin total
  • Consulting fees$7,80051%
  • Food and beverage$4,97833%
  • Speaker and faculty fees$2,25015%
  • Education$1451%

Companies that paid Dr. Gladish the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Gladish

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Reginald Dwain Gladish has 1 award and honors on record

Dmand AI lists 1 award for Dr. Gladish, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Gladish

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Reginald Dwain Gladish graduated from LSU Health Shreveport School of Medicine

Dr. Gladish graduated from LSU Health Shreveport School of Medicine in 1993. Dr. Gladish is a member of ACP.

  1. Medical schoolLSU Health Shreveport School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Reginald Dwain Gladish accepts plans from 17 insurance carriers

Dr. Gladish is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Cigna
  • Elevance
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +9 more carriersWith a free account

Plan types Dr. Gladish accepts, by number of carriers

  1. PPO12
  2. Medicare9
  3. HMO8
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Reginald Dwain Gladish's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Reginald Dwain Gladish

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Reginald Dwain Gladish's NPI number?

Dr. Reginald Dwain Gladish's NPI number is 1831167287. It was assigned on March 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Reginald Dwain Gladish?

Dr. Reginald Dwain Gladish is a nephrologist in Huntsville, Alabama. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Reginald Dwain Gladish practice?

Dr. Gladish practices at 810 Franklin SE St, Huntsville, AL 35801. Dr. Gladish's primary practice is Athens Dialysis in Huntsville, Alabama. Dmand AI also links Dr. Gladish to 1 hospital and 5 dialysis centers.

What is Dr. Reginald Dwain Gladish's office phone number?

The practice phone on file for Dr. Gladish is (256) 233-4730.

What is Dr. Reginald Dwain Gladish's medical license number?

Dr. Gladish's Alabama license number on file is 18219.

Which hospitals is Dr. Reginald Dwain Gladish affiliated with?

Dr. Gladish is affiliated with Decatur Morgan Hospital. Dmand AI links Dr. Gladish to 1 more hospital.

What medical group is Dr. Reginald Dwain Gladish part of?

Dr. Gladish is linked to Nephrology of North Alabama.

Does Dr. Reginald Dwain Gladish accept Medicare?

Yes. CMS data shows Dr. Gladish billed Medicare for 3,921 services in 2024, and Dr. Gladish accepts Medicare assignment.

How many Medicare patients does Dr. Reginald Dwain Gladish see?

CMS counts 674 Medicare patients who saw Dr. Gladish in 2024, with an average age of 75.

Is Dr. Reginald Dwain Gladish board certified?

Yes. Dr. Gladish is board certified in internal medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Reginald Dwain Gladish bill to Medicare?

In 2024, Dr. Gladish's most billed Medicare services were medicare temporary code (Q5106), hospital inpatient care (99232) and dialysis (90960).

Where did Dr. Reginald Dwain Gladish go to medical school?

Dr. Gladish graduated from LSU Health Shreveport School of Medicine in 1993.

What drugs does Dr. Reginald Dwain Gladish prescribe most?

In 2024 Medicare Part D data, Dr. Gladish's most prescribed drugs by claims were Amlodipine Besylate, Carvedilol and Sevelamer Carbonate.

Has Dr. Reginald Dwain Gladish received payments from drug or device companies?

CMS Open Payments shows $15,173 in general payments to Dr. Gladish from 30 companies from 2016 to 2025. The largest total came from Outset Medical Inc.

How long has Dr. Reginald Dwain Gladish been practicing?

Dr. Gladish graduated from medical school in 1993, 33 years ago.

Does Dr. Reginald Dwain Gladish do research?

Dmand AI links 6 publications to Dr. Gladish, published from 2021 to 2025.

Who does Dr. Reginald Dwain Gladish publish with?

Dr. Gladish's most frequent co-authors are Kenneth Dominic Abreo, MBBS (4 shared papers), Christos P. Argyropoulos, MD, PhD (4 shared papers) and Eduardo K. Lacson, MD, MPH (4 shared papers).

What insurance does Dr. Reginald Dwain Gladish accept?

Dr. Gladish is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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