Medmark Treatment Centers - Fairfield, Inc.
NPI 1669534491 · Methadone Clinic · Fairfield, CA
Enrolled with Medicare as Part B Supplier - Opioid Treatment Program (otp) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Medmark Treatment Centers - Fairfield, Inc. is a Methadone Clinic organization in Fairfield, CA (NPI 1669534491).
Provider details
- NPI number
- 1669534491
- Entity type
- Organization
- Primary specialty
- Methadone ClinicAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Bruce Jarvie, Vp, Treasurer(214) 379-3300
- License
- 48-03 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
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
2,060 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) |
|---|---|---|
| Medication Assisted Treatment, Methadone; Weekly Bundle Including Dispensing And/Or Administration, Substance Use Counseling, Individual and Group Therapy, and Toxicology Testing, If Performed (provision of the Services By a Medicare-Enrolled Opioid TreatmG2067 | 1,156 | $286 |
| Take-Home Supply of Methadone; Up to 7 Additional Day Supply (provision of the Services By a Medicare-Enrolled Opioid Treatment Program); List Separately in Addition to Code for Primary ProcedureG2078 | 710 | $40 |
| Medication Assisted Treatment, Weekly Bundle Not Including the Drug, Including Substance Use Counseling, Individual and Group Therapy, and Toxicology Testing If Performed (provision of the Services By a Medicare-Enrolled Opioid Treatment Program)G2074 | 194 | $233 |
Typical Medicare-allowed amounts for these services range $40–$286 (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.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Medmark Treatment Centers - Fairfield, Inc.
- Doing business as
- Medmark Treatment Centers- Fairfield, Inc
Registry dates
- Enumerated
- 2006-12-15
- Last updated
- 2026-03-18
- Certified
- 2026-03-18
Frequently asked questions
- What is Medmark Treatment Centers - Fairfield, Inc.'s NPI number?
- Medmark Treatment Centers - Fairfield, Inc.'s National Provider Identifier (NPI) is 1669534491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Medmark Treatment Centers - Fairfield, Inc.?
- Medmark Treatment Centers - Fairfield, Inc. is classified in the NPPES registry as Methadone Clinic (Ambulatory Health Care Facilities).
- Where is Medmark Treatment Centers - Fairfield, Inc. located?
- Medmark Treatment Centers - Fairfield, Inc.'s practice location on file with NPPES is 1143 Missouri Street, Fairfield, CA 94533-6007.
- What is Medmark Treatment Centers - Fairfield, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Medmark Treatment Centers - Fairfield, Inc. is (707) 435-9911.
- Does Medmark Treatment Centers - Fairfield, Inc. accept Medicare?
- Medmark Treatment Centers - Fairfield, Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Medmark Treatment Centers - Fairfield, Inc.?
- The authorized official listed on Medmark Treatment Centers - Fairfield, Inc.'s NPPES record is Bruce Jarvie, Vp, Treasurer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Medmark Treatment Centers - Fairfield, Inc.'s NPI active?
- Yes — Medmark Treatment Centers - Fairfield, Inc.'s NPI (1669534491) is active in the NPPES registry as of the last update on 2026-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.