Charles Gregory Nelson, MD
Internal Medicine Physician · Topeka, KS
Charles Gregory Nelson, MD is an internal medicine physician with a practice address in Topeka, Kansas, and NPI 1508847161, issued on Nov 10, 2005. Check the license (Kansas 0422064, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Charles Gregory Nelson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0422064 KS
Self-reported in NPPES; status is on the state search - Practice location
- 200 SW Frazier Cir, Topeka, KS 66606
- Phone
- (785) 232-2044
- Enumerated
- Nov 10, 2005
- Record last updated
- May 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (785) 232-5567
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,010 in Kansas → Look up another NPI →
Also registered at 200 SW Frazier Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mariah Beck, APRNNurse Practitioner1215703863
- Douglas Brehm, A.R.N.P.Family Nurse Practitioner1760442537
- Jessica Brooks, APRNFamily Nurse Practitioner1144973108
- Thomas Clements, MDFamily Medicine Physician1669456042
- Paige CoffmanFamily Nurse Practitioner1871191155
- Donna DoelCounselor1538778071
Verify Charles Gregory Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 0422064Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
548 Medicare Part D claims for 112 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 91 claims were for opioids.
Most prescribed
- Oxycodone Hcl31 claims
- Gabapentin27 claims
- Duloxetine Hcl24 claims
- Losartan Potassium23 claims
- Meloxicam23 claims
- Fentanyl20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Charles Gregory Nelson among 1,010 internal medicine physician records in Kansas
Charles Gregory Nelson, MD is one of 1,010 internal medicine physician records with a practice address in Kansas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2011 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 internal medicine physician records list a practice address in Topeka
They are 52 of the 4,851 NPPES records with a practice address in Topeka, and 1,010 internal medicine physician records in Kansas.
All 1,010 in Kansas → Every provider in Topeka → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Barnett, MDTopeka, KS 666061437189008
- Michael Cox, MDTopeka, KS 666061275593451
- William Harris, DOTopeka, KS 666061144200536
- Robert Holmes, MDTopeka, KS 666061790794634
- Stephanie Jones, MDTopeka, KS 666061982649224
- Randall McAllister, M.D.Topeka, KS 666061275506735
- Jed McKee, MDTopeka, KS 666061699714949
- Marius Pacioianu, MDTopeka, KS 666061881689594
Common questions
What is Charles Gregory Nelson, MD's NPI number?
Charles Gregory Nelson, MD's National Provider Identifier (NPI) is 1508847161, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Charles Gregory Nelson, MD located?
The NPPES record lists a practice address at 200 SW Frazier Cir, Topeka, KS, 66606. Phone: (785) 232-2044. Providers update this record themselves, so call before visiting.
How can I verify Charles Gregory Nelson, MD's license?
NPPES lists Kansas license number 0422064, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles Gregory Nelson, MD prescribe under Medicare Part D?
In 2024, Charles Gregory Nelson, MD had 548 Medicare Part D claims for 112 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Charles Gregory Nelson, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.