Maria Ilano, M.D.
NPI 1083638100 · Psychiatry Physician · Napa, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Ilano, M.D. is a Psychiatry Physician provider in Napa, CA (NPI 1083638100).
Provider details
- NPI number
- 1083638100
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A47981 (CA)
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
460 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 | 341 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 119 | $115 |
Typical Medicare-allowed amounts for these services range $72–$115 (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 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 165 | 26 |
| Trazodone Hcl | 159 | 31 |
| Aripiprazole | 138 | 21 |
| Buspirone Hcl | 116 | 14 |
| Alprazolam | 115 | 13 |
| Lamotrigine | 101 | 15 |
| Sertraline Hcl | 100 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2023-11-08
- Certified
- 2023-11-08
Frequently asked questions
- What is Maria Ilano's NPI number?
- Maria Ilano's National Provider Identifier (NPI) is 1083638100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Ilano's specialty?
- Maria Ilano is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Ilano located?
- Maria Ilano's practice location on file with NPPES is 2751 Napa Valley Corporate Dr Bldg a, Napa, CA 94558-6216.
- What is Maria Ilano's phone number?
- The practice phone number listed in the NPPES registry for Maria Ilano is (072) 534-7277.
- Does Maria Ilano accept Medicare?
- Maria Ilano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Ilano's NPI active?
- Yes — Maria Ilano's NPI (1083638100) is active in the NPPES registry as of the last update on 2023-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.