Leah Elizabeth Sax, MD
Otolaryngology Physician · Boston, MA
Leah Elizabeth Sax, MD is an otolaryngology physician with a practice address in Boston, Massachusetts, and NPI 1326508144, issued on Mar 20, 2019. Check the license (Massachusetts 1024096, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Leah Elizabeth Sax
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- 1024096 MA
MD219311 OR
Self-reported in NPPES; status is on the state search - Practice location
- 243 Charles St, Boston, MA 02114
- Phone
- (617) 573-3557
- Enumerated
- Mar 20, 2019
- Record last updated
- Sep 22, 2025
- Fax
- (617) 573-3626
- Medicare enrollment
- Enrolled (PECOS I20250916003981); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 364 in Massachusetts → Look up another NPI →
Also registered at 243 Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dunia Abdul-Aziz, MDOtolaryngology Physician1487880985
- Hasan Abdulbaki, MDStudent in an Organized Health Care Education/Training Program1811790512
- Inas Aboobakar, M.D.Ophthalmology Physician1760846265
- Jihad Achkar, M.D.Otolaryngology Physician1811203763
- Alessandro Adad Jammal, MD, PHDOphthalmology Physician1518725480
Verify Leah Elizabeth Sax in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1024096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average otolaryngology physician in 2024
103 Medicare Part D claims for 71 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 42 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen27 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: $335.05
6 payments; by number, the most common kind was food and beverage; the largest payer was Aerin Medical Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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
- Massachusetts Eye And Ear Associates, IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leah Elizabeth Sax among 364 otolaryngology physician records in Massachusetts
Leah Elizabeth Sax, MD is one of 364 otolaryngology physician records with a practice address in Massachusetts. 77% 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 84% of them.
- NPI issued2019 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2004 among the 239 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Massachusetts
There are 364 otolaryngology physician records in Massachusetts.
All 364 in Massachusetts → Every provider in Boston → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Jean Bruch, M.D., D.M.D.Boston, MA 021141699766790
- Nicolas Bu-Saba, MDBoston, MA 021141306837406
- Daniel Deschler, M.D.Boston, MA 021141952391351
- John Dobrowski, M.D.Boston, MA 021141538160452
- Ramon Franco, M.D.Boston, MA 021141104817204
- Stacey Gray, M.D.Boston, MA 021141407835929
- Eric Holbrook, M.D.Boston, MA 021141740271840
- Robert Kiskaddon, MDBoston, MA 021141548249014
Common questions
What is Leah Elizabeth Sax, MD's NPI number?
Leah Elizabeth Sax, MD's National Provider Identifier (NPI) is 1326508144, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Leah Elizabeth Sax, MD located?
The NPPES record lists a practice address at 243 Charles St, Boston, MA, 02114. Phone: (617) 573-3557. Providers update this record themselves, so call before visiting.
How can I verify Leah Elizabeth Sax, MD's license?
NPPES lists Massachusetts license number 1024096, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leah Elizabeth Sax, MD prescribe under Medicare Part D?
In 2024, Leah Elizabeth Sax, MD had 103 Medicare Part D claims for 71 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.