Christopher Michael Mashiak, MD
Emergency Medicine Physician · Lebanon, NH
Christopher Michael Mashiak, MD is an emergency medicine physician with a practice address in Lebanon, New Hampshire, and NPI 1699235879, issued on Mar 22, 2019. Check the license on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Christopher Michael Mashiak
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 70667 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Center Dr, Lebanon, NH 03756
- Phone
- (603) 653-0400
- Enumerated
- Mar 22, 2019
- Record last updated
- May 25, 2022
- Medicare enrollment
- Enrolled (PECOS I20220606002202); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 351 in New Hampshire → Look up another NPI →
Also registered at 1 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Abbate, NPFamily Nurse Practitioner1669683637
- McCall Abbott, APRNFamily Nurse Practitioner1396292454
- Lauren AbbuhlStudent in an Organized Health Care Education/Training Program1760322986
- William Abdu, M.D.Orthopaedic Surgery of the Spine Physician1134162324
- Iryna Aberkorn, MDFamily Medicine Physician1780846071
- Majd Aboul Hosn, MDStudent in an Organized Health Care Education/Training Program1932901949
Verify Christopher Michael Mashiak 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
2.1 times the Medicare Part D claims of the average emergency medicine physician in 2024
470 Medicare Part D claims for 345 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Cephalexin60 claims
- Ondansetron Odt47 claims
- Prednisone44 claims
- Oxycodone Hcl29 claims
- Methocarbamol20 claims
- Amoxicillin-Clavulanate Potass16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 93.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $30.79
1 payment: food and beverage; the largest payer was Csl Behring. The 12,335 providers of this specialty with any payment received $953.79 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
- Northeast Emergency Medicine Specialists LLCManchester, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Michael Mashiak among 351 emergency medicine physician records in New Hampshire
Christopher Michael Mashiak, MD 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 2019, is newer than 88% of them.
- NPI issued2019 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2019 · median 2011 among the 205 with a school on file
- Record last updated2022 · 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).
61 emergency medicine physician records list a practice address in Lebanon
They are 61 of the 3,530 NPPES records with a practice address in Lebanon, and 351 emergency medicine physician records in New Hampshire.
All 351 in New Hampshire → Every provider in Lebanon → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Reed Brozen, MDLebanon, NH 037561205930369
- Aida Cerundolo, M.D.Lebanon, NH 037561265497697
- Kevin Curtis, MDLebanon, NH 037561073608402
- James Ebert, MDLebanon, NH 037561558372417
- Charles Herr, MDLebanon, NH 037561962439422
- Diana Kent, MDLebanon, NH 037561154429389
- Patricia Lanter, MDLebanon, NH 037561043235906
- Katherine Little, MDLebanon, NH 037561003843509
Common questions
What is Christopher Michael Mashiak, MD's NPI number?
Christopher Michael Mashiak, MD's National Provider Identifier (NPI) is 1699235879, issued on Mar 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Michael Mashiak, MD located?
The NPPES record lists a practice address at 1 Medical Center Dr, Lebanon, NH, 03756. Phone: (603) 653-0400. Providers update this record themselves, so call before visiting.
How can I verify Christopher Michael Mashiak, MD'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 Christopher Michael Mashiak, MD prescribe under Medicare Part D?
In 2024, Christopher Michael Mashiak, MD had 470 Medicare Part D claims for 345 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Christopher Michael Mashiak, MD's MIPS final score?
The 2023 MIPS final score is 93.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.