Irina Filip, M.D.
NPI 1801207923 · Psychiatry Physician · Fairfield, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irina Filip, M.D. is a Psychiatry Physician provider in Fairfield, CA (NPI 1801207923).
Provider details
- NPI number
- 1801207923
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A143999 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
105 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 35 | $131 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 24 | $169 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 18 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 15 | $179 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 13 | $173 |
Typical Medicare-allowed amounts for these services range $111–$179 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Trazodone Hcl | 33 |
| Quetiapine Fumarate | 31 |
| Lorazepam | 23 |
| Lamotrigine | 20 |
| Bupropion Hclbrand: Bupropion Xl | 19 |
| Hydroxyzine Hcl | 17 |
| Gabapentin | 16 |
| Clonazepam | 14 |
| Methylphenidate Hclbrand: Methylphenidate Er |
Practice location
Mailing address
Additional practice locations (2)
- 2100 Powell St Ste 400Emeryville, CA 94608-1872Phone: (510) 350-2600
- 22922 Los Alisos Blvd Ste K-122Mission Viejo, CA 92691-2856Phone: (951) 666-3995Fax: (847) 221-6847
Registry dates
- Enumerated
- 2014-05-12
- Last updated
- 2026-01-09
- Certified
- 2026-01-09
Frequently asked questions
- What is Irina Filip's NPI number?
- Irina Filip's National Provider Identifier (NPI) is 1801207923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irina Filip's specialty?
- Irina Filip is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Irina Filip located?
- Irina Filip's practice location on file with NPPES is 1261 Travis Blvd Ste 190, Fairfield, CA 94533-4800.
- What is Irina Filip's phone number?
- The practice phone number listed in the NPPES registry for Irina Filip is (844) 867-8444.
- Does Irina Filip accept Medicare?
- Irina Filip is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irina Filip's NPI active?
- Yes — Irina Filip's NPI (1801207923) is active in the NPPES registry as of the last update on 2026-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.