Dr. Gregory Knox Stephens, MD

  • Dallas, TX
  • Nephrologist
NPI1972642999PAC ID6709977994
Medicare services, 2024
4,250
Medicare patients, 2024
369
Part D claims, 2024
527
Hospital affiliations
3
Industry payments
$3,064
Practice address
13154 Coit Rd, Dallas, TX 75240
Practice phone
Call (214) 358-2300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dallas Nephrology Associates

Dallas, Texas

See all 7 affiliations

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Dr. Gregory Knox Stephens is a nephrologist in Dallas, Texas

Dr. Stephens practices at Dallas Nephrology Associates in Dallas, Texas.

Dr. Stephens' NPI, 1972642999, was assigned on February 6, 2007. Dr. Stephens graduated from Ross University School of Medicine in 2002. Dr. Stephens holds Texas license M6896.

NPI and contact details
Medicare PAC ID
6709977994
NPI enumeration date
February 6, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(214) 358-2300
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
50
Medical school graduation
2002

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

Dr. Gregory Knox Stephens practices at Dallas Nephrology Associates in Dallas, Texas

Dr. Stephens' primary practice is Dallas Nephrology Associates, at 13154 Coit Rd, Dallas, TX 75240 in Dallas County. The practice phone is (214) 358-2300.

  • Dallas Nephrology Associates
    13154 Coit Rd, Dallas, TX 75240 · Dallas CountyPhone(214) 358-2300

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

Dr. Gregory Knox Stephens is affiliated with 6 sites of care and 1 medical group

Dr. Stephens' primary practice is Dallas Nephrology Associates in Dallas, Texas. Dr. Stephens is also affiliated with Encompass Health Rehabilitation Hospital of Dallas. The medical group on file is Dallas Nephrology Associates. Dmand AI also links Dr. Stephens to 2 more hospitals, 1 dialysis center and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Stephens

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

Dmand AI tracks the EHR system at Dr. Gregory Knox Stephens' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stephens practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dallas Nephrology AssociatesAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory Knox Stephens is one of 1,045 nephrologists in Texas

Nephrology is Dr. Stephens' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Stephens is board certified in nephrology by the American Board of Internal Medicine. Dmand AI has Dr. Stephens' licenses on file in 2 states: Texas and New Mexico.

Specialties and state licenses

  • Nephrology, TexasPrimaryLicense M6896 · 2007 to 2026 · taxonomy 207RN0300X
  • New Mexico license2005 to 2007

Clinical focus

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

Nephrologists near Dr. Stephens

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. Gregory Knox Stephens billed Medicare for 4,250 services in 2024

CMS data shows 4,250 Medicare services from Dr. Stephens across 13 procedure codes in 2024, for 369 Medicare patients. Medicare paid $142,176 for them.

Medicare services, 20244,250
Medicare patients369
Paid by Medicare$142,176
Procedure codes13

Dr. Stephens' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 302024: 2,3677790%
Office and hospital visits
2023: 1,7512024: 1,51114%
Tests and treatments
2023: 1472024: 21647%
Lab and pathology
2023: 02024: 94
Surgery
2023: 02024: 62

Where Dr. Stephens' Medicare services took place, 2024

  • In an office2,91569%
  • In a facility1,33531%

Dr. Stephens compared with the Texas median for nephrologists, 2024

  • Dr. Stephens
  • Texas median
Medicare services
4,250vs 1,0484.1 times
Medicare patients
369vs 27733% above
Part D claims
384vs 75849% below

Medians across 1,017 nephrologists in Texas with Dmand AI profiles that report each measure.

Dr. Stephens' 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. Stephens

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

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

Dr. Gregory Knox Stephens treated 369 Medicare patients in 2024, average age 74

CMS counts 369 Medicare patients who saw Dr. Stephens in 2024. The largest group is 75 to 84, with 141 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 15% are also on Medicaid. Their average risk score is 4.27, 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. Stephens' median patient age at 72, with 46% women.

Medicare patients, 2024369
Average age74
Average risk score4.27
Also on Medicaid15%

Dr. Stephens' Medicare patients by age, 2024

Dr. Stephens' Medicare patients by sex, 2024

  • Women15843%
  • Men21157%

Chronic conditions among Dr. Stephens' Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes63%
  5. Arthritis60%
  6. Ischemic heart disease55%
  7. Heart failure54%
  8. Mood disorders43%

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

Dr. Stephens' patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women46%
  • Men53%

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

Dr. Gregory Knox Stephens wrote 527 Medicare Part D claims in 2024

In 2024, Dr. Stephens wrote 527 Medicare Part D claims for 89 patients. 68% of them were for generic drugs. CMS names the drug for 384 of them, across 11 drugs with 11 or more claims each, at $105,961 in total drug cost. In 2023, CMS named 358 claims across 10 drugs.

Part D claims, 2024527
Drugs named by CMS11
Total drug cost$105,961
Part D patients89

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

  • Generic357 claims68%
  • Brand-name170 claims32%

Dr. Stephens' 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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3582024: 3847%

Drugs named by CMS: 11 in 2024, 10 in 2023.

See all prescribing by Dr. Stephens

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. Gregory Knox Stephens takes part in Medicare

Dr. Stephens 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. Gregory Knox Stephens received $3,064 in industry payments from 2016 to 2025

CMS Open Payments shows 151 general payments to Dr. Stephens from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $479.

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

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

$3.1Kin total
  • Food and beverage$3,051100%
  • Education$120%

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

Share is of all general payments to this clinician.

See all payments to Dr. Stephens

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

Dr. Gregory Knox Stephens has 1 award and honors on record

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

Awards and honors for Dr. Stephens

  1. 2012
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Gregory Knox Stephens graduated from Ross University School of Medicine

Dr. Stephens graduated from Ross University School of Medicine in 2002.

  1. Medical schoolRoss University School of Medicine
  2. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Gregory Knox Stephens accepts plans from 24 insurance carriers

Dr. Stephens is in network with 24 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

Plan types Dr. Stephens accepts, by number of carriers

  1. PPO15
  2. HMO14
  3. Medicare12
  4. POS7
  5. EPO5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Gregory Knox Stephens'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 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)
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. Gregory Knox Stephens

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. Gregory Knox Stephens' NPI number?

Dr. Gregory Knox Stephens' NPI number is 1972642999. It was assigned on February 6, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory Knox Stephens?

Dr. Gregory Knox Stephens is a nephrologist in Dallas, Texas. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Gregory Knox Stephens practice?

Dr. Stephens practices at 13154 Coit Rd, Dallas, TX 75240. Dr. Stephens' primary practice is Dallas Nephrology Associates in Dallas, Texas. Dmand AI also links Dr. Stephens to 2 hospitals, 1 dialysis center and 1 group practice or clinic.

What is Dr. Gregory Knox Stephens' office phone number?

The practice phone on file for Dr. Stephens is (214) 358-2300.

What is Dr. Gregory Knox Stephens' medical license number?

Dr. Stephens holds Texas license M6896, one of the licenses on file in 2 states.

Which states has Dr. Gregory Knox Stephens been licensed in?

Dmand AI has state licenses on file for Dr. Stephens in Texas (2007 to 2026) and New Mexico (2005 to 2007).

Which hospitals is Dr. Gregory Knox Stephens affiliated with?

Dr. Stephens is affiliated with Encompass Health Rehabilitation Hospital of Dallas. Dmand AI links Dr. Stephens to 2 more hospitals.

What medical group is Dr. Gregory Knox Stephens part of?

Dr. Stephens is linked to Dallas Nephrology Associates.

Does Dr. Gregory Knox Stephens accept Medicare?

Yes. CMS data shows Dr. Stephens billed Medicare for 4,250 services in 2024, and Dr. Stephens accepts Medicare assignment.

How many Medicare patients does Dr. Gregory Knox Stephens see?

CMS counts 369 Medicare patients who saw Dr. Stephens in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

Is Dr. Gregory Knox Stephens board certified?

Yes. Dr. Stephens is board certified in nephrology by the American Board of Internal Medicine.

What services does Dr. Gregory Knox Stephens bill to Medicare?

In 2024, Dr. Stephens' most billed Medicare services were medicare temporary code (Q5106), hospital inpatient care (99232) and hospital inpatient care (99233).

Where did Dr. Gregory Knox Stephens go to medical school?

Dr. Stephens graduated from Ross University School of Medicine in 2002.

What drugs does Dr. Gregory Knox Stephens prescribe most?

In 2024 Medicare Part D data, Dr. Stephens' most prescribed drugs by claims were Farxiga, Losartan Potassium and Furosemide.

Has Dr. Gregory Knox Stephens received payments from drug or device companies?

CMS Open Payments shows $3,064 in general payments to Dr. Stephens from 33 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Gregory Knox Stephens been practicing?

Dr. Stephens graduated from medical school in 2002, 24 years ago.

What insurance does Dr. Gregory Knox Stephens accept?

Dr. Stephens is in network with 24 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

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