Mark Adderley, D.O.
NPI 1114149903 · Physical Medicine & Rehabilitation Physician · Festus, MO
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Adderley, D.O. is a Physical Medicine & Rehabilitation Physician provider in Festus, MO (NPI 1114149903).
Provider details
- NPI number
- 1114149903
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2007032281 (MO)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
139 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 139 | $103 |
Typical Medicare-allowed amounts for these services range $103–$103 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 311 | 19 |
| Pantoprazole Sodium | 310 | 14 |
| Atorvastatin Calcium | 265 | 14 |
| Levothyroxine Sodium | 252 | 11 |
| Tamsulosin Hcl | 237 | 14 |
| Carvedilol | 233 | — |
| Gabapentin | 194 |
Practice location
Mailing address
Additional practice locations (2)
- 1333 Scenic DrHerculaneum, MO 63048-1550Phone: (314) 288-9161
- 1 Jefferson Barracks DrSaint Louis, MO 63125-4181Phone: (314) 894-6605
Registry dates
- Enumerated
- 2007-05-03
- Last updated
- 2024-06-12
- Certified
- 2024-06-12
Frequently asked questions
- What is Mark Adderley's NPI number?
- Mark Adderley's National Provider Identifier (NPI) is 1114149903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Adderley's specialty?
- Mark Adderley is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Adderley located?
- Mark Adderley's practice location on file with NPPES is 1400 US Highway 61, Festus, MO 63028-4100.
- What is Mark Adderley's phone number?
- The practice phone number listed in the NPPES registry for Mark Adderley is (314) 288-9161.
- Does Mark Adderley accept Medicare?
- Mark Adderley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Adderley's NPI active?
- Yes — Mark Adderley's NPI (1114149903) is active in the NPPES registry as of the last update on 2024-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.