Reiana Mahan, MD
NPI 1609437490 · Family Medicine Physician · Columbia, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reiana Mahan, MD is a Family Medicine Physician provider in Columbia, MO (NPI 1609437490).
Provider details
- NPI number
- 1609437490
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2022040574 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
441 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 112 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 107 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 103 | $95 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $65 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 34 | $80 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 127 | 29 |
| Atorvastatin Calcium | 124 | 33 |
| Amlodipine Besylate | 118 | 34 |
| Gabapentin | 64 | 14 |
| Lisinopril | 60 | 22 |
| Pantoprazole Sodium | 54 | 11 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-24
- Last updated
- 2022-11-15
- Certified
- 2022-11-10
Frequently asked questions
- What is Reiana Mahan's NPI number?
- Reiana Mahan's National Provider Identifier (NPI) is 1609437490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reiana Mahan's specialty?
- Reiana Mahan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Reiana Mahan located?
- Reiana Mahan's practice location on file with NPPES is 551 Veterans United Dr, Columbia, MO 65201-4236.
- What is Reiana Mahan's phone number?
- The practice phone number listed in the NPPES registry for Reiana Mahan is (573) 884-7733.
- Does Reiana Mahan accept Medicare?
- Reiana Mahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reiana Mahan's NPI active?
- Yes — Reiana Mahan's NPI (1609437490) is active in the NPPES registry as of the last update on 2022-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.