Mark Overton, M.D.
NPI 1588811053 · Psychiatry Physician · Fort Kent, ME
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Overton, M.D. is a Psychiatry Physician provider in Fort Kent, ME (NPI 1588811053).
Provider details
- NPI number
- 1588811053
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
190 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 141 | $75 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 26 | $77 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 23 | $165 |
Typical Medicare-allowed amounts for these services range $75–$165 (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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 188 | 62 |
| Escitalopram Oxalate | 150 | 45 |
| Sertraline Hcl | 134 | 35 |
| Aripiprazole | 119 | 30 |
| Buspirone Hcl | 116 | 33 |
| Bupropion Hclbrand: Bupropion Xl | 113 | 33 |
| Risperidone | 97 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$79 across 1 record (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
Registry dates
- Enumerated
- 2008-08-26
- Last updated
- 2011-09-28
Frequently asked questions
- What is Mark Overton's NPI number?
- Mark Overton's National Provider Identifier (NPI) is 1588811053, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Overton's specialty?
- Mark Overton is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Overton located?
- Mark Overton's practice location on file with NPPES is 104 East Main Street, Fort Kent, ME 04743.
- What is Mark Overton's phone number?
- The practice phone number listed in the NPPES registry for Mark Overton is (207) 834-3101.
- Does Mark Overton accept Medicare?
- Mark Overton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Overton's NPI active?
- Yes — Mark Overton's NPI (1588811053) is active in the NPPES registry as of the last update on 2011-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.