Mary Jo Laniewski, D.O.
Emergency Medicine Physician · North Conway, NH
Mary Jo Laniewski, D.O. is an emergency medicine physician with a practice address in North Conway, New Hampshire, and NPI 1205918109, issued on Oct 19, 2006. Check the license on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mary Jo Laniewski
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 1531 ME
Self-reported in NPPES; status is on the state search - Practice location
- 3073 White Mountain Hwy, North Conway, NH 03860
- Phone
- (603) 356-5461
- Enumerated
- Oct 19, 2006
- Record last updated
- Mar 31, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050608000793); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1992
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 351 in New Hampshire → Look up another NPI →
Also registered at 3073 White Mountain Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robin Abeles, PA-CPhysician Assistant1285119875
- Suzanne Abkowitz, MDHospitalist Physician1811906506
- Susan Anderson, PTPhysical Therapist1770920654
- Chelsey Andrea, CPNPPediatric Nurse Practitioner1215486097
- Michael Badger, M.D.Family Medicine Physician1053399048
- Jamie Barach, DOEmergency Medicine Physician1962845461
Verify Mary Jo Laniewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of 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
40% fewer Medicare Part D claims than the average emergency medicine physician in 2024
136 Medicare Part D claims for 102 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Cephalexin20 claims
- Prednisone17 claims
- Hydrocodone-Acetaminophen13 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.
One hospital affiliation
- York HospitalWells, ME · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mary Jo Laniewski among 351 emergency medicine physician records in New Hampshire
Mary Jo Laniewski, D.O. is one of 351 emergency medicine physician records with a practice address in New Hampshire. 76% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 53% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1992 · median 2011 among the 205 with a school on file
- Record last updated2010 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 emergency medicine physician records list a practice address in North Conway
They are 18 of the 253 NPPES records with a practice address in North Conway, and 351 emergency medicine physician records in New Hampshire.
All 351 in New Hampshire → Every provider in North Conway → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jamie Barach, DONorth Conway, NH 038601962845461
- Darin Brown, M.D.North Conway, NH 038601750369906
- Jonathan Burroughs, M.D.North Conway, NH 038601396723441
- John Conlon, M.D.North Conway, NH 038601053399055
- Erik Davitt, M.D.North Conway, NH 038601629464409
- Matthew Dunn, DONorth Conway, NH 038601700978657
- Catherine Fernando, D.O.North Conway, NH 038601174819296
- Kimberly Goodwin, MDNorth Conway, NH 038601699818773
Common questions
What is Mary Jo Laniewski, D.O.'s NPI number?
Mary Jo Laniewski, D.O.'s National Provider Identifier (NPI) is 1205918109, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Jo Laniewski, D.O. located?
The NPPES record lists a practice address at 3073 White Mountain Hwy, North Conway, NH, 03860. Phone: (603) 356-5461. Providers update this record themselves, so call before visiting.
How can I verify Mary Jo Laniewski, D.O.'s license?
Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Jo Laniewski, D.O. prescribe under Medicare Part D?
In 2024, Mary Jo Laniewski, D.O. had 136 Medicare Part D claims for 102 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.