Michael D. Simpson, M.D.
Internal Medicine Physician · Smyrna, GA
Michael D. Simpson, M.D. is an internal medicine physician with a practice address in Smyrna, Georgia, and NPI 1205823184, issued on Oct 5, 2005. Check the license (Georgia 055647, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael D. Simpson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 055647 GA
Self-reported in NPPES; status is on the state search - Practice location
- 4480 N Cooper Lake RD SE, Smyrna, GA 30082
- Phone
- (770) 333-1300
- Enumerated
- Oct 5, 2005
- Record last updated
- Apr 17, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (770) 432-8312
- Medicaid ID
- 609580122A GA
- Medicare enrollment
- Enrolled (PECOS I20050210000278); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Also registered at 4480 N Cooper Lake RD SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael D. Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 055647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average internal medicine physician in 2024
768 Medicare Part D claims for 464 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 43 claims were for opioids.
Most prescribed
- Prednisone117 claims
- Doxycycline Hyclate79 claims
- Amoxicillin-Clavulanate Potass47 claims
- Paxlovid33 claims
- Albuterol Sulfate Hfa31 claims
- Methylprednisolone31 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): 92.9 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).
Bills Medicare through one group practice
- Wellstar Medical Group LLCDallas, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael D. Simpson among 3,911 internal medicine physician records in Georgia
Michael D. Simpson, M.D. is one of 3,911 internal medicine physician records with a practice address in Georgia. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1998 · median 2005 among the 2,535 with a school on file
- Record last updated2014 · 51% 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 Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 internal medicine physician records list a practice address in Smyrna
They are 20 of the 1,292 NPPES records with a practice address in Smyrna, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Smyrna → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Adedayo Abioye, MDSmyrna, GA 300821316529852
- Surabhi Arjunan, MDSmyrna, GA 300821841245719
- Toni Burns, MDSmyrna, GA 300821639169238
- Lynda Dao, MDSmyrna, GA 300821861482176
- Esther Enohnyaket, MDSmyrna, GA 300821821677626
- Karim Kara, M.D.Smyrna, GA 300821548640980
- Carla Neal-Haley, M.D.Smyrna, GA 300821306885397
- Faye Vargas Morris, M.D.Smyrna, GA 300821194707398
Common questions
What is Michael D. Simpson, M.D.'s NPI number?
Michael D. Simpson, M.D.'s National Provider Identifier (NPI) is 1205823184, issued on Oct 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael D. Simpson, M.D. located?
The NPPES record lists a practice address at 4480 N Cooper Lake RD SE, Smyrna, GA, 30082. Phone: (770) 333-1300. Providers update this record themselves, so call before visiting.
How can I verify Michael D. Simpson, M.D.'s license?
NPPES lists Georgia license number 055647, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael D. Simpson, M.D. prescribe under Medicare Part D?
In 2024, Michael D. Simpson, M.D. had 768 Medicare Part D claims for 464 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Michael D. Simpson, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.9 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.