Michael Simpson, M.D.
NPI 1205823184 · Internal Medicine Physician · Smyrna, GA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Simpson, M.D. is a Internal Medicine Physician provider in Smyrna, GA (NPI 1205823184).
Provider details
- NPI number
- 1205823184
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 055647 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
562 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 244 | $92 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 93 | $69 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $130 |
| Automated Urinalysis Test81003 | 47 | $2 |
| X-Ray of Chest, 2 Views71046 | 31 | $23 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 117 | 106 |
| Doxycycline Hyclate | 79 | 77 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 47 | 46 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 33 | 33 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 31 | 27 |
| Methylprednisolone | 31 | 30 |
| Cephalexin | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-05
- Last updated
- 2014-04-17
Frequently asked questions
- What is Michael Simpson's NPI number?
- Michael Simpson's National Provider Identifier (NPI) is 1205823184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Simpson's specialty?
- Michael Simpson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Simpson located?
- Michael Simpson's practice location on file with NPPES is 4480 N Cooper Lake Rd Se, Smyrna, GA 30082-4622.
- What is Michael Simpson's phone number?
- The practice phone number listed in the NPPES registry for Michael Simpson is (770) 333-1300.
- Does Michael Simpson accept Medicare?
- Michael Simpson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Simpson's NPI active?
- Yes — Michael Simpson's NPI (1205823184) is active in the NPPES registry as of the last update on 2014-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.