Connor Joel Grantham, MD
Nephrology Physician · Kansas City, KS
Connor Joel Grantham, MD is a nephrology physician with a practice address in Kansas City, Kansas, and NPI 1962997759, issued on Jun 25, 2018. Check the license (Kansas 04-44634, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Connor Joel Grantham
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 04-44634 KS
Self-reported in NPPES; status is on the state search - Practice location
- 4000 Cambridge St, Kansas City, KS 66160
- Phone
- (913) 588-6000
- Enumerated
- Jun 25, 2018
- Record last updated
- Apr 3, 2026
- Fax
- (913) 588-9251
- Medicare enrollment
- Enrolled (PECOS I20210728000121); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 70 in Kansas → Look up another NPI →
Also registered at 4000 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Khalid Abdalla, M.D.Internal Medicine Physician1821607136
- Maryam Abdo, MDCytopathology Physician1992478788
- Mohammed Abualenain, MDInternal Medicine Physician1033716089
- Kaitlyn Adams, PAPhysician Assistant1982322889
- Alex Adkins, MDInternal Medicine Physician1255073185
Verify Connor Joel Grantham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 04-44634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average nephrology physician in 2024
193 Medicare Part D claims for 43 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Carvedilol18 claims
- Losartan Potassium16 claims
- Amlodipine Besylate15 claims
- Farxiga14 claims
- Eplerenone13 claims
- Mexiletine Hcl13 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.
Industry payments in 2024: $115.37
1 payment: food and beverage; the largest payer was Calliditas Therapeutics US Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Kansas University Physicians IncOlathe, KS
- New Liberty Hospital CorporationLiberty, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Connor Joel Grantham among 70 nephrology physician records in Kansas
Connor Joel Grantham, MD is one of 70 nephrology physician records with a practice address in Kansas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 89% of them.
- NPI issued2018 · 89% of these records are older, 10% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2018 · median 2001 among the 47 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Kansas
There are 70 nephrology physician records in Kansas.
All 70 in Kansas → Every provider in Kansas City → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Arnold Chonko, M.D.Kansas City, KS 661601497858310
- Diane Cibrik, MDKansas City, KS 661601508948407
- Aditi Gupta, M.D.Kansas City, KS 661601154542769
- Mallika Gupta, MDKansas City, KS 661601821431669
- Amna Ilahe, M.DKansas City, KS 661601124220298
- Duncan Johnstone, MD, PHDKansas City, KS 661601225041544
- Cassandra Kimber, DOKansas City, KS 661601518254499
- Ellen McCarthy, M.D.Kansas City, KS 661601518912054
Common questions
What is Connor Joel Grantham, MD's NPI number?
Connor Joel Grantham, MD's National Provider Identifier (NPI) is 1962997759, issued on Jun 25, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Connor Joel Grantham, MD located?
The NPPES record lists a practice address at 4000 Cambridge St, Kansas City, KS, 66160. Phone: (913) 588-6000. Providers update this record themselves, so call before visiting.
How can I verify Connor Joel Grantham, MD's license?
NPPES lists Kansas license number 04-44634, 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 Connor Joel Grantham, MD prescribe under Medicare Part D?
In 2024, Connor Joel Grantham, MD had 193 Medicare Part D claims for 43 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
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.