William P. Innis, M.D.
Otolaryngology Physician · Needham, MA
William P. Innis, M.D. is an otolaryngology physician with a practice address in Needham, Massachusetts, and NPI 1194990929, issued on Apr 23, 2008. Check the license (Massachusetts 238313, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- William P. Innis
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 238313 MA
Self-reported in NPPES; status is on the state search - Practice location
- 560 Hillside Ave, Needham, MA 02494
- Phone
- (781) 444-4722
- Enumerated
- Apr 23, 2008
- Record last updated
- Feb 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090410000045); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 364 in Massachusetts → Look up another NPI →
Also registered at 560 Hillside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eve Adler, MSAudiologist1366413197
- Sean Olbert, PA-CPhysician Assistant1003380973
- Mariah Samara, MDOtolaryngology Physician1770785289
- Andrea Simonson, PHD, CCC-AAudiologist1841469624
Verify William P. Innis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 238313Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average otolaryngology physician in 2024
398 Medicare Part D claims for 181 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Famotidine63 claims
- Ipratropium Bromide52 claims
- Fluticasone Propionate46 claims
- Azelastine Hcl37 claims
- Omeprazole31 claims
- Fluocinolone Acetonide Oil26 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: $146.48
5 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, 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
- Boston Ent Associates PCNeedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William P. Innis among 364 otolaryngology physician records in Massachusetts
William P. Innis, M.D. 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 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · median 2004 among the 239 with a school on file
- Record last updated2015 · 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 Needham → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Joshua Kessler, M.D.Needham, MA 024941831169127
- Mariah Samara, MDNeedham, MA 024941770785289
- Rebecca Stone, M.D.Needham, MA 024941972602183
- R William Mason, M.D.Needham, MA 024921619947918
- Hien Tierney, MDWellesley, MA 024811265648919
- Harsha Gopal, MD, FACSChestnut Hill, MA 024671225143027
- Martha Hahn-Fournier, MDChestnut Hill, MA 024671679893317
- Cecilia Hurst, M.D.Chestnut Hill, MA 024671033177795
Common questions
What is William P. Innis, M.D.'s NPI number?
William P. Innis, M.D.'s National Provider Identifier (NPI) is 1194990929, issued on Apr 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William P. Innis, M.D. located?
The NPPES record lists a practice address at 560 Hillside Ave, Needham, MA, 02494. Phone: (781) 444-4722. Providers update this record themselves, so call before visiting.
How can I verify William P. Innis, M.D.'s license?
NPPES lists Massachusetts license number 238313, 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 William P. Innis, M.D. prescribe under Medicare Part D?
In 2024, William P. Innis, M.D. had 398 Medicare Part D claims for 181 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.