Lillian Houston, M.D.
NPI 1093919714 · Psychiatry Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lillian Houston, M.D. is a Psychiatry Physician provider in Springfield, IL (NPI 1093919714).
Provider details
- NPI number
- 1093919714
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 20232 (MS)
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
19 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
228 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 159 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 21 | $106 |
Typical Medicare-allowed amounts for these services range $76–$111 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 28 | 15 |
| Alprazolam | 16 | — |
| Sertraline Hcl | 15 | — |
| Risperidone | 13 | — |
| Risperidone Microspheresbrand: Risperdal Consta | 12 | — |
| Lorazepam | 12 | — |
| Lamotrigine | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-14
- Last updated
- 2020-08-27
- Certified
- 2020-08-27
Frequently asked questions
- What is Lillian Houston's NPI number?
- Lillian Houston's National Provider Identifier (NPI) is 1093919714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian Houston's specialty?
- Lillian Houston is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Lillian Houston located?
- Lillian Houston's practice location on file with NPPES is 315 W Carpenter St Dept of, Springfield, IL 62702-4901.
- What is Lillian Houston's phone number?
- The practice phone number listed in the NPPES registry for Lillian Houston is (217) 545-8000.
- Does Lillian Houston accept Medicare?
- Lillian Houston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lillian Houston's NPI active?
- Yes — Lillian Houston's NPI (1093919714) is active in the NPPES registry as of the last update on 2020-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.