Mary O'Malley, M.D., PHD.
NPI 1649498742 · Psychiatry Physician · Sanford, ME
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary O'Malley, M.D., PHD. is a Psychiatry Physician provider in Sanford, ME (NPI 1649498742).
Provider details
- NPI number
- 1649498742
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PHD.
- Sex
- Female
- Sole proprietor
- No
- License
- 242178 (MA)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
54 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 39 | $133 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 15 | $173 |
Typical Medicare-allowed amounts for these services range $133–$173 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 30 | 16 |
| Quetiapine Fumarate | 26 | 13 |
| Sertraline Hcl | 23 | — |
| Trazodone Hcl | 22 | 11 |
| Lamotrigine | 18 | — |
| Metformin Hcl | 18 | — |
| Naltrexone Hcl | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$245 across 8 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
Additional practice locations (1)
- 434b Stockbridge Rd Lowr LevelGreat Barrington, MA 01230-1295Phone: (203) 556-4846
Registry dates
- Enumerated
- 2007-04-23
- Last updated
- 2021-07-28
- Certified
- 2021-07-13
Frequently asked questions
- What is Mary O'Malley's NPI number?
- Mary O'Malley's National Provider Identifier (NPI) is 1649498742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary O'Malley's specialty?
- Mary O'Malley is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mary O'Malley located?
- Mary O'Malley's practice location on file with NPPES is Smmc, Dept of Psychiatry, Sanford, ME 04073.
- What is Mary O'Malley's phone number?
- The practice phone number listed in the NPPES registry for Mary O'Malley is (207) 324-4310.
- Does Mary O'Malley accept Medicare?
- Mary O'Malley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary O'Malley's NPI active?
- Yes — Mary O'Malley's NPI (1649498742) is active in the NPPES registry as of the last update on 2021-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.