Mariam Faris, D.O.
NPI 1811350408 · Psychiatry Physician · Bethesda, MD
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariam Faris, D.O. is a Psychiatry Physician provider in Bethesda, MD (NPI 1811350408).
Provider details
- NPI number
- 1811350408
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 0102206739 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
529 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 | 198 | $84 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 74 | $185 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 65 | $104 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 57 | $155 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 49 | $180 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
Practice location
Mailing address
Additional practice locations (2)
- 701 W Pratt StRoom 474Baltimore, MD 21201-1023Phone: (410) 328-6325
- 3300 Gallows RdFalls Church, VA 22042-3307Phone: (703) 776-4001Fax: (703) 776-7113
Registry dates
- Enumerated
- 2016-03-31
- Last updated
- 2023-02-24
- Certified
- 2023-02-22
Frequently asked questions
- What is Mariam Faris's NPI number?
- Mariam Faris's National Provider Identifier (NPI) is 1811350408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariam Faris's specialty?
- Mariam Faris is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mariam Faris located?
- Mariam Faris's practice location on file with NPPES is 8600 Old Georgetown Rd Fl 4, Bethesda, MD 20814-1422.
- What is Mariam Faris's phone number?
- The practice phone number listed in the NPPES registry for Mariam Faris is (301) 896-3468.
- Does Mariam Faris accept Medicare?
- Mariam Faris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariam Faris's NPI active?
- Yes — Mariam Faris's NPI (1811350408) is active in the NPPES registry as of the last update on 2023-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.