Stephen Simpson, MD
NPI 1013940998 · Internal Medicine Physician · Mobile, AL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Simpson, MD is a Internal Medicine Physician provider in Mobile, AL (NPI 1013940998).
Provider details
- NPI number
- 1013940998
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD.24563 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
601 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 370 | $116 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 88 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 71 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $82 |
| Administration of Influenza Virus VaccineG0008 | 24 | $25 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 140 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 687 | 203 |
| Levothyroxine Sodium | 454 | 130 |
| Amlodipine Besylate | 371 | 111 |
| Pantoprazole Sodium | 331 | 115 |
| Metformin Hcl | 254 | 83 |
| Trazodone Hcl | 237 | 71 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$184 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2011-06-01
Frequently asked questions
- What is Stephen Simpson's NPI number?
- Stephen Simpson's National Provider Identifier (NPI) is 1013940998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Simpson's specialty?
- Stephen Simpson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Simpson located?
- Stephen Simpson's practice location on file with NPPES is 1261 Hillcrest Road Suite C, Mobile, AL 36695.
- What is Stephen Simpson's phone number?
- The practice phone number listed in the NPPES registry for Stephen Simpson is (251) 633-4949.
- Does Stephen Simpson accept Medicare?
- Stephen Simpson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Simpson's NPI active?
- Yes — Stephen Simpson's NPI (1013940998) is active in the NPPES registry as of the last update on 2011-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.