Melissa M. Mortensen-Welch, M.D.
Sleep Medicine (Otolaryngology) Physician · East Setauket, NY
Melissa M. Mortensen-Welch, M.D. is a sleep medicine (otolaryngology) physician with a practice address in East Setauket, New York, and NPI 1467675181, issued on Apr 11, 2007. Check the license (New York 2341737, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Melissa M. Mortensen-Welch
- Credential
- M.D.
- Primary taxonomy
- Sleep Medicine (Otolaryngology) Physician 207YS0012X
- License numbers
- 2341737 NY
0101243259 VA
Self-reported in NPPES; status is on the state search - Practice location
- 37 Research Way, East Setauket, NY 11733
- Phone
- (631) 444-4121
- Enumerated
- Apr 11, 2007
- Record last updated
- Jul 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (631) 444-4189
- Medicare enrollment
- Enrolled (PECOS I20070720000630); accepts Medicare assignment
- Entity
- Type 1 · individual
7 nearest sleep medicine (otolaryngology) physician records → All 8 in New York → Look up another NPI →
Also registered at 37 Research Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amy Canterella, MS, RDN, CDNRegistered Dietitian1629476346
- Julie Cherian, M.D.Pediatric Rheumatology Physician1285891556
Verify Melissa M. Mortensen-Welch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 2341737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average sleep medicine (otolaryngology) physician in 2024
722 Medicare Part D claims for 180 beneficiaries, against an average of 290 among the 46 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 22 claims were for opioids.
Most prescribed
- Omeprazole109 claims
- Famotidine83 claims
- Pantoprazole Sodium75 claims
- Fluticasone Propionate38 claims
- Amitriptyline Hcl36 claims
- Ipratropium Bromide32 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): 76.7 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).
Bills Medicare through one group practice
- Albany Medical CollegeAlbany, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sleep Medicine (Otolaryngology) Physician providers in New York
There are 8 sleep medicine (otolaryngology) physician records in New York.
All 8 in New York → Every provider in East Setauket → Sleep Medicine (Otolaryngology) Physician nationwide →
The 7 sleep medicine (otolaryngology) physician records with the nearest ZIP codes
- Lee Shangold, M.D.Port Jefferson Station, NY 117761902887730
- Richard Hamburg, MDSmithtown, NY 117871548364128
- Nikhita Jain, MDBrooklyn, NY 112011720570476
- Steven Hemmerdinger, M.D.Ardsley, NY 105021174749733
- Ofer Jacobowitz, M. D.,PHDNew York, NY 100171285617381
- Courtney Chou, MDNew York, NY 100031982047619
- James Chmiel, MDE Amherst, NY 140511508810581
Common questions
What is Melissa M. Mortensen-Welch, M.D.'s NPI number?
Melissa M. Mortensen-Welch, M.D.'s National Provider Identifier (NPI) is 1467675181, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Melissa M. Mortensen-Welch, M.D. located?
The NPPES record lists a practice address at 37 Research Way, East Setauket, NY, 11733. Phone: (631) 444-4121. Providers update this record themselves, so call before visiting.
How can I verify Melissa M. Mortensen-Welch, M.D.'s license?
NPPES lists New York license number 2341737, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Melissa M. Mortensen-Welch, M.D. prescribe under Medicare Part D?
In 2024, Melissa M. Mortensen-Welch, M.D. had 722 Medicare Part D claims for 180 beneficiaries; the average among sleep medicine (otolaryngology) physician prescribers was 290. Part D covers Medicare prescriptions only.
What is Melissa M. Mortensen-Welch, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.7 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.