Matthew Lilly, MD
NPI 1346571643 · Psychiatry Physician · Morgan Hill, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Lilly, MD is a Psychiatry Physician provider in Morgan Hill, CA (NPI 1346571643).
Provider details
- NPI number
- 1346571643
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A127216 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
150 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 138 | $202 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 12 | $204 |
Typical Medicare-allowed amounts for these services range $202–$204 (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 · 119 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 624 | 43 |
| Clozapine | 570 | 40 |
| Quetiapine Fumarate | 306 | 28 |
| Clonazepam | 295 | 32 |
| Lithium Carbonate | 276 | 29 |
| Levothyroxine Sodium | 255 | 30 |
| Risperidone | 242 | 23 |
| Benztropine Mesylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$754 across 25 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 215 Huerta AveGreenfield, CA 93927-5762Phone: (408) 465-0456
- 9343 Tech Center Dr Ste 110Sacramento, CA 95826-2592Phone: (408) 465-0456
- 4604a Roosevelt AveSacramento, CA 95820-4520Phone: (408) 465-0456
Registry dates
- Enumerated
- 2010-01-26
- Last updated
- 2024-05-16
- Certified
- 2024-05-16
Frequently asked questions
- What is Matthew Lilly's NPI number?
- Matthew Lilly's National Provider Identifier (NPI) is 1346571643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Lilly's specialty?
- Matthew Lilly is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Lilly located?
- Matthew Lilly's practice location on file with NPPES is 18217 Hale Ave, Morgan Hill, CA 95037-3550.
- What is Matthew Lilly's phone number?
- The practice phone number listed in the NPPES registry for Matthew Lilly is (408) 465-8280.
- Does Matthew Lilly accept Medicare?
- Matthew Lilly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Lilly's NPI active?
- Yes — Matthew Lilly's NPI (1346571643) is active in the NPPES registry as of the last update on 2024-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.