Christopher Stewart, M.D.
NPI 1215909221 · Psychiatry Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Stewart, M.D. is a Psychiatry Physician provider in Louisville, KY (NPI 1215909221).
Provider details
- NPI number
- 1215909221
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 34094 (KY)
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
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
263 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 | 191 | $80 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 72 | $74 |
Typical Medicare-allowed amounts for these services range $74–$80 (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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 131 | 16 |
| Diazepam | 53 | — |
| Trazodone Hcl | 44 | — |
| Gabapentin | 43 | — |
| Lamotrigine | 42 | — |
| Quetiapine Fumarate | 34 | — |
| Duloxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-03
- Last updated
- 2018-03-30
Frequently asked questions
- What is Christopher Stewart's NPI number?
- Christopher Stewart's National Provider Identifier (NPI) is 1215909221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Stewart's specialty?
- Christopher Stewart is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Stewart located?
- Christopher Stewart's practice location on file with NPPES is 401 E Chestnut St Unit 610, Louisville, KY 40202-5711.
- What is Christopher Stewart's phone number?
- The practice phone number listed in the NPPES registry for Christopher Stewart is (502) 588-4450.
- Does Christopher Stewart accept Medicare?
- Christopher Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Stewart's NPI active?
- Yes — Christopher Stewart's NPI (1215909221) is active in the NPPES registry as of the last update on 2018-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.