Michael Allen Greenfield, MD
Internal Medicine Physician · Overland Park, KS
Michael Allen Greenfield, MD is an internal medicine physician with a practice address in Overland Park, Kansas, and NPI 1336191287, issued on May 17, 2006. Check the license (Kansas 0426184, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Michael Allen Greenfield
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0426184 KS
Self-reported in NPPES; status is on the state search - Practice location
- 7840 W 165TH St Ste 210, Overland Park, KS 66223
- Phone
- (913) 373-2230
- Enumerated
- May 17, 2006
- Record last updated
- Jun 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (913) 373-0999
- Medicaid ID
- 100316520A KS
- Medicare enrollment
- Enrolled (PECOS I20100513000517); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Physicians And Surgeons, 1994
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,010 in Kansas → Look up another NPI →
Also registered at 7840 W 165TH St Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Schultz, M.D.Internal Medicine Physician1841264173
- Joan Smith, APRNFamily Nurse Practitioner1568859239
Verify Michael Allen Greenfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 0426184Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average internal medicine physician in 2024
5,277 Medicare Part D claims for 369 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 61 claims were for opioids.
Most prescribed
- Atorvastatin Calcium560 claims
- Levothyroxine Sodium379 claims
- Lisinopril277 claims
- Rosuvastatin Calcium188 claims
- Amlodipine Besylate172 claims
- Losartan Potassium171 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: $25.65
1 payment: education; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Shawnee Mission Medical Center IncMerriam, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Allen Greenfield among 1,010 internal medicine physician records in Kansas
Michael Allen Greenfield, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 63% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1994 · median 2008 among the 568 with a school on file
- Record last updated2018 · 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).
112 internal medicine physician records list a practice address in Overland Park
They are 112 of the 6,064 NPPES records with a practice address in Overland Park, and 1,010 internal medicine physician records in Kansas.
All 1,010 in Kansas → Every provider in Overland Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shandi AppierOverland Park, KS 662231285128058
- Jennifer Brown, MDOverland Park, KS 662231285625277
- Sally Bruns, D.O.Overland Park, KS 662231972743862
- Reem Douidar, MDOverland Park, KS 662231609090851
- Royce Dunn, DOOverland Park, KS 662231841243086
- Daniel Halma, DOOverland Park, KS 662231932696119
- Tereza Hubkova, MDOverland Park, KS 662231609837293
- Bradley Palmer, D.O.Overland Park, KS 662231982635207
Common questions
What is Michael Allen Greenfield, MD's NPI number?
Michael Allen Greenfield, MD's National Provider Identifier (NPI) is 1336191287, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Allen Greenfield, MD located?
The NPPES record lists a practice address at 7840 W 165TH St Ste 210, Overland Park, KS, 66223. Phone: (913) 373-2230. Providers update this record themselves, so call before visiting.
How can I verify Michael Allen Greenfield, MD's license?
NPPES lists Kansas license number 0426184, 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 Michael Allen Greenfield, MD prescribe under Medicare Part D?
In 2024, Michael Allen Greenfield, MD had 5,277 Medicare Part D claims for 369 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.