Harold Gregory Ota, MD
Otolaryngology Physician · Medford, MA
Harold Gregory Ota, MD is an otolaryngology physician with a practice address in Medford, Massachusetts, and NPI 1598839821, issued on Nov 20, 2006. Check the license (Massachusetts 54244, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Harold Gregory Ota
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 54244 MA
Self-reported in NPPES; status is on the state search - Practice location
- 101 Main St, Medford, MA 02155
- Phone
- (781) 874-1965
- Enumerated
- Nov 20, 2006
- Record last updated
- Sep 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (781) 874-1967
- Medicaid ID
- 3083233 MA
- Medicare enrollment
- Enrolled (PECOS I20050329000599); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1981
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 364 in Massachusetts → Look up another NPI →
Also registered at 101 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Harold Gregory Ota in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 54244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average otolaryngology physician in 2024
265 Medicare Part D claims for 126 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Ofloxacin53 claims
- Fluticasone Propionate39 claims
- Ipratropium Bromide27 claims
- Famotidine26 claims
- Fluocinolone Acetonide Oil14 claims
- Amoxicillin-Clavulanate Potass13 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.
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).
Harold Gregory Ota among 364 otolaryngology physician records in Massachusetts
Harold Gregory Ota, 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 54% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1981 · median 2004 among the 239 with a school on file
- Record last updated2011 · 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 Medford → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- David Bowling, MDMedford, MA 021551194716308
- Peter Ambrus, M.D.Quincy, MA 021691326087412
- Rebecca Compton, M.D.Quincy, MA 021691164871109
- Peter Friedensohn, M.D.Quincy, MA 021691497746507
- Paul Konowitz, M.D.Quincy, MA 021691366433328
- Natalia Kyriazidis, MDQuincy, MA 021691497288609
- Yuna Larrabee, M.D.Quincy, MA 021691386933117
- John Lazor, M.D.Quincy, MA 021691821089921
Common questions
What is Harold Gregory Ota, MD's NPI number?
Harold Gregory Ota, MD's National Provider Identifier (NPI) is 1598839821, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harold Gregory Ota, MD located?
The NPPES record lists a practice address at 101 Main St, Medford, MA, 02155. Phone: (781) 874-1965. Providers update this record themselves, so call before visiting.
How can I verify Harold Gregory Ota, MD's license?
NPPES lists Massachusetts license number 54244, 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 Harold Gregory Ota, MD prescribe under Medicare Part D?
In 2024, Harold Gregory Ota, MD had 265 Medicare Part D claims for 126 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.