Mary O'Malley, M.D., PHD.
Sleep Medicine (Psychiatry & Neurology) Physician · Sanford, ME
Mary O'Malley, M.D., PHD. is a sleep medicine (psychiatry & neurology) physician with a practice address in Sanford, Maine, and NPI 1649498742, issued on Apr 23, 2007. Check the license on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mary O'Malley
- Credential
- M.D., PHD.
- Primary taxonomy
- Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
- License number
- 242178 MA
Self-reported in NPPES; status is on the state search - Practice location
- Smmc, Dept OF Psychiatry, Sanford, ME 04073
- Phone
- (207) 324-4310
- Enumerated
- Apr 23, 2007
- Entity
- Type 1 · individual
Verify Mary O'Malley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
57% fewer Medicare Part D claims than the average sleep medicine (psychiatry & neurology) physician in 2024
417 Medicare Part D claims for 80 beneficiaries, against an average of 981 among the 282 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Gabapentin30 claims
- Quetiapine Fumarate26 claims
- Sertraline Hcl23 claims
- Trazodone Hcl22 claims
- Lamotrigine18 claims
- Metformin Hcl18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $244.65
8 payments, mostly food and beverage; the largest payer was Neurocrine Biosciences, Inc.. The 215 providers of this specialty with any payment received $7,626.03 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Mccd FL Psychiatry Services PABoston, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Sleep Medicine (Psychiatry & Neurology) Physician providers in Maine
There are 2 sleep medicine (psychiatry & neurology) physician records in Maine.
Other sleep medicine (psychiatry & neurology) physician records in Maine
- Thaddeus Shattuck, MDLewiston, ME1285798447
Common questions
What is Mary O'Malley, M.D., PHD.'s NPI number?
Mary O'Malley, M.D., PHD.'s National Provider Identifier (NPI) is 1649498742, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary O'Malley, M.D., PHD. located?
The NPPES record lists a practice address at Smmc, Dept OF Psychiatry, Sanford, ME, 04073. Phone: (207) 324-4310. Providers update this record themselves, so call before visiting.
How can I verify Mary O'Malley, M.D., PHD.'s license?
Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary O'Malley, M.D., PHD. prescribe under Medicare Part D?
In 2024, Mary O'Malley, M.D., PHD. had 417 Medicare Part D claims for 80 beneficiaries; the average among sleep medicine (psychiatry & neurology) physician prescribers was 981. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.