Dr. Karon S. Simpson, MD
- Medicare services, 2016
- 874
- Part D claims, 2017
- 262
- Industry payments
- $218
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 3000 North Ih 35, Austin, TX 78705-1804
- Practice phone
- Call (512) 320-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Capital Nephrology Associates
Medical specialty practice · Austin, Texas
Find Dr. Simpson's professional email, personal email and mobile number
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Dr. Karon S. Simpson is a nephrologist in Austin, Texas
Dr. Simpson practices at Capital Nephrology Associates in Austin, Texas.
Dr. Simpson's NPI, 1164465274, was assigned on June 14, 2006. Dr. Simpson graduated from UTMB Health in 1979. Dr. Simpson holds Texas license F4530.
- NPI
- 1164465274NPI Registry (opens in a new tab)
- NPI enumeration date
- June 14, 2006
- NPI status
- Active
- Practice phone
- (512) 320-1500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karon S. Simpson practices at Capital Nephrology Associates in Austin, Texas
Dr. Simpson's primary practice is Capital Nephrology Associates, at 3000 North Ih 35, Austin, TX 78705-1804. The practice phone is (512) 320-1500.
- Capital Nephrology Associates3000 North Ih 35, Austin, TX 78705-1804Phone(512) 320-1500
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karon S. Simpson is affiliated with 1 site of care and 1 medical group
Dr. Simpson's primary practice is Capital Nephrology Associates in Austin, Texas. Dmand AI also links Dr. Simpson to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Karon S. Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simpson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Capital Nephrology Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karon S. Simpson is one of 1,045 nephrologists in Texas
Nephrology is Dr. Simpson's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Simpson is board certified in internal medicine by the American Board of Internal Medicine. Dr. Simpson is licensed in Texas.
Specialties and state licenses
- Nephrology, TexasPrimary
Nephrologists near Dr. Simpson
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. Karon S. Simpson billed Medicare for 874 services in 2016
CMS data shows 874 Medicare services from Dr. Simpson across 4 procedure codes in 2016. Medicare paid $164,377 for them. Every service was in an office.
Dr. Simpson's Medicare services by type, 2016
- Tests and treatments715
- Office and hospital visits159
Dr. Simpson compared with the Texas median for nephrologists, 2016
- Dr. Simpson
- Texas median
- Medicare services
- 874vs 1,04817% below
- Part D claims
- 262vs 75865% below
Medians across 1,017 nephrologists in Texas with Dmand AI profiles that report each measure.
Dr. Simpson's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Simpson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Simpson and other nephrologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karon S. Simpson wrote 262 Medicare Part D claims in 2017
In 2017, Dr. Simpson wrote 262 Medicare Part D claims. They cover 14 drugs, with $104,479 in total drug cost. In 2016, CMS named 1,094 claims across 33 drugs.
Dr. Simpson's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 1,0942017: 26276%
Drugs named by CMS: 14 in 2017, 33 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Karon S. Simpson received $218 in industry payments from 2016 to 2017
CMS Open Payments shows 8 general payments to Dr. Simpson from 4 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $124.
General payments to Dr. Simpson by program year, 2016 to 2017
Companies that paid Dr. Simpson the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karon S. Simpson has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Simpson, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Simpson
- 2013
- CMS Stage 1 EHR
- Undated
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Karon S. Simpson graduated from UTMB Health
Dr. Simpson graduated from UTMB Health in 1979.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Karon S. Simpson accepts plans from 13 insurance carriers
Dr. Simpson is in network with 13 carriers, including United Healthcare, Aetna and Alliant Health Plans. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- United Healthcare
- Aetna
- Alliant Health Plans
- Elevance
- HCSC
- Baylor Scott and White
- Blue Cross and Blue Shield of Kansas City
- Blue Cross Blue Shield of Michigan
- +5 more carriersWith a free account
Plan types Dr. Simpson accepts, by number of carriers
- HMO8
- PPO7
- EPO2
- POS2
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Karon S. Simpson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karon S. Simpson
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. Karon S. Simpson's NPI number?
Dr. Karon S. Simpson's NPI number is 1164465274. It was assigned on June 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karon S. Simpson?
Dr. Karon S. Simpson is a nephrologist in Austin, Texas. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Karon S. Simpson practice?
Dr. Simpson practices at 3000 North Ih 35, Austin, TX 78705-1804. Dr. Simpson's primary practice is Capital Nephrology Associates in Austin, Texas. Dmand AI also links Dr. Simpson to 1 medical group.
What is Dr. Karon S. Simpson's office phone number?
The practice phone on file for Dr. Simpson is (512) 320-1500.
What is Dr. Karon S. Simpson's medical license number?
Dr. Simpson holds Texas license F4530.
Does Dr. Karon S. Simpson accept Medicare?
Yes. CMS data shows Dr. Simpson billed Medicare for 874 services in 2016.
Is Dr. Karon S. Simpson board certified?
Yes. Dr. Simpson is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Karon S. Simpson bill to Medicare?
In 2016, Dr. Simpson's most billed Medicare services were dialysis (90960), office visit, established patient (99213) and dialysis (90961).
Where did Dr. Karon S. Simpson go to medical school?
Dr. Simpson graduated from UTMB Health in 1979.
What drugs does Dr. Karon S. Simpson prescribe most?
In 2017 Medicare Part D data, Dr. Simpson's most prescribed drugs by claims were Amlodipine Besylate, Renvela and Levothyroxine Sodium.
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Has Dr. Karon S. Simpson received payments from drug or device companies?
CMS Open Payments shows $218 in general payments to Dr. Simpson from 4 companies from 2016 to 2017. The largest total came from Genentech, Inc.
How long has Dr. Karon S. Simpson been practicing?
Dr. Simpson graduated from medical school in 1979, 47 years ago.
What insurance does Dr. Karon S. Simpson accept?
Dr. Simpson is in network with 13 carriers, including United Healthcare, Aetna and Alliant Health Plans. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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