Theodore Mason, MD
NPI 1619934668 · Otolaryngology Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Mason, MD is a Otolaryngology Physician provider in Springfield, MA (NPI 1619934668).
Provider details
- NPI number
- 1619934668
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 213321 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
2,023 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 415 | $90 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 391 | $126 |
| Removal of Impacted Ear Wax69210 | 256 | $47 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 154 | $164 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 145 | $8 |
| Professional Service for Multiple Injections of Allergen95117 | 138 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nortriptyline Hcl | 93 | 19 |
| Fluticasone Propionate | 53 | 14 |
| Ofloxacin | 41 | 33 |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 40 | 27 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 37 | 29 |
| Triamterene/Hydrochlorothiazidbrand: Triamterene-Hydrochlorothiazid | 36 | — |
| Ciprofloxacin Hcl/Dexamethbrand: Ciprofloxacin-Dexamethasone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$482 across 6 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
- 2006-04-26
- Last updated
- 2009-10-05
Frequently asked questions
- What is Theodore Mason's NPI number?
- Theodore Mason's National Provider Identifier (NPI) is 1619934668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Mason's specialty?
- Theodore Mason is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Mason located?
- Theodore Mason's practice location on file with NPPES is 100 Wason Avenue, Springfield, MA 01107.
- What is Theodore Mason's phone number?
- The practice phone number listed in the NPPES registry for Theodore Mason is (413) 732-7426.
- Does Theodore Mason accept Medicare?
- Theodore Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Mason's NPI active?
- Yes — Theodore Mason's NPI (1619934668) is active in the NPPES registry as of the last update on 2009-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.