Mark Cotterell, MD
NPI 1134288376 · Psychiatry Physician · Middletown, CT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Cotterell, MD is a Psychiatry Physician provider in Middletown, CT (NPI 1134288376).
Provider details
- NPI number
- 1134288376
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101042896 (VA)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
241 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 Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 133 | $47 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $86 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 25 | $125 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 21 | $108 |
Typical Medicare-allowed amounts for these services range $47–$125 (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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 50 |
| Clonazepam | 48 |
| Sertraline Hcl | 45 |
| Amitriptyline Hcl | 38 |
| Aripiprazole | 38 |
| Oxcarbazepine | 34 |
| Escitalopram Oxalate | 34 |
| Fluoxetine Hcl | 33 |
| Olanzapine | 33 |
| Buspirone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$55 across 2 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
Registry dates
- Enumerated
- 2006-12-06
- Last updated
- 2021-08-20
- Certified
- 2021-08-20
Frequently asked questions
- What is Mark Cotterell's NPI number?
- Mark Cotterell's National Provider Identifier (NPI) is 1134288376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Cotterell's specialty?
- Mark Cotterell is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Cotterell located?
- Mark Cotterell's practice location on file with NPPES is Silver Street, Middletown, CT 06457.
- What is Mark Cotterell's phone number?
- The practice phone number listed in the NPPES registry for Mark Cotterell is (860) 262-5867.
- Does Mark Cotterell accept Medicare?
- Mark Cotterell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Cotterell's NPI active?
- Yes — Mark Cotterell's NPI (1134288376) is active in the NPPES registry as of the last update on 2021-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.