William Zimmerman, MD
NPI 1639265614 · Specialist · Framingham, MA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Zimmerman, MD is a Specialist provider in Framingham, MA (NPI 1639265614).
Provider details
- NPI number
- 1639265614
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 75573 (MA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,245 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Test for Allergy Using Airborne Allergenic Extract Injected Into Skin95027 | 667 | $5 |
| Removal of Impacted Ear Wax69210 | 438 | $46 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 424 | $97 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 410 | $136 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 249 | $136 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 219 | $203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 117 | 74 |
| Ipratropium Bromide | 92 | 46 |
| Methylprednisolone | 67 | 63 |
| Azelastine Hcl | 66 | 31 |
| Omeprazole | 52 | 22 |
| Ofloxacin | 50 | 44 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 43 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$96 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Zimmerman's NPI number?
- William Zimmerman's National Provider Identifier (NPI) is 1639265614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Zimmerman's specialty?
- William Zimmerman is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is William Zimmerman located?
- William Zimmerman's practice location on file with NPPES is 61 Lincoln St, Framingham, MA 01702-8264.
- What is William Zimmerman's phone number?
- The practice phone number listed in the NPPES registry for William Zimmerman is (508) 875-6124.
- Does William Zimmerman accept Medicare?
- William Zimmerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Zimmerman's NPI active?
- Yes — William Zimmerman's NPI (1639265614) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.