Mary Patricia Demers, DO
Internal Medicine Physician · Anchorage, AK
Mary Patricia Demers, DO is an internal medicine physician with a practice address in Anchorage, Alaska, and NPI 1649236084, issued on Apr 25, 2006. Check the license (Alaska AA3359, as entered in NPPES) on the Alaska State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Patricia Demers
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- AA3359 AK
Self-reported in NPPES; status is on the state search - Practice location
- 3340 Providence Dr, Anchorage, AK 99508
- Phone
- (907) 263-2200
- Enumerated
- Apr 25, 2006
- Record last updated
- Jul 20, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (907) 276-0366
- Medicaid ID
- MD2204 AK
- Medicare enrollment
- Enrolled (PECOS I20070524000375); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 177 in Alaska → Look up another NPI →
Also registered at 3340 Providence Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janet Alexander, MDPediatrics Physician1235239005
- Sage Asher, RNRegistered Nurse1053231407
- Emilio Avila, M.D.Neonatal-Perinatal Medicine Physician1598715864
- Wendy Bailey, MDPediatric Endocrinology Physician1023117033
- Kristin Birdsong, ARNPCritical Care Neonatal Nurse Practitioner1669423208
- Mary BlenkushPediatrics Physician1649292889
Verify Mary Patricia Demers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlaska State Medical Board
Search for license AA3359Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average internal medicine physician in 2024
3,863 Medicare Part D claims for 163 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 77 claims were for opioids.
Most prescribed
- Atorvastatin Calcium282 claims
- Levothyroxine Sodium202 claims
- Metoprolol Succinate165 claims
- Hydrochlorothiazide135 claims
- Losartan Potassium116 claims
- Amlodipine Besylate102 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: $272.50
13 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Select Physical Therapy Holdings IncEagle River, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Patricia Demers among 177 internal medicine physician records in Alaska
Mary Patricia Demers, DO is one of 177 internal medicine physician records with a practice address in Alaska. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 51% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1985 · median 2010 among the 92 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Alaska
There are 177 internal medicine physician records in Alaska.
All 177 in Alaska → Every provider in Anchorage → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Barrett, MDAnchorage, AK 995081053350249
- David Dexter, MDAnchorage, AK 995081811938434
- Sheryl Gale, MDAnchorage, AK 995081649225830
- Song-Qing Gan, M.D.Anchorage, AK 995081619933512
- Karl Hansen, MDAnchorage, AK 995081427099639
- Susan Heverling, M.D.Anchorage, AK 995081750358701
- Cynthia Joe, MDAnchorage, AK 995081174593750
- John Krehlik, M.D.Anchorage, AK 995081255368866
Common questions
What is Mary Patricia Demers, DO's NPI number?
Mary Patricia Demers, DO's National Provider Identifier (NPI) is 1649236084, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Patricia Demers, DO located?
The NPPES record lists a practice address at 3340 Providence Dr, Anchorage, AK, 99508. Phone: (907) 263-2200. Providers update this record themselves, so call before visiting.
How can I verify Mary Patricia Demers, DO's license?
NPPES lists Alaska license number AA3359, as entered by the provider. Search the Alaska State Medical Board at https://www.commerce.alaska.gov/web/cbpl/ProfessionalLicensing/StateMedicalBoard.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Patricia Demers, DO prescribe under Medicare Part D?
In 2024, Mary Patricia Demers, DO had 3,863 Medicare Part D claims for 163 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.