Timothy Zajonc, MD
NPI 1336117779 · Otolaryngology Physician · Johnson City, TN
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Zajonc, MD is a Otolaryngology Physician provider in Johnson City, TN (NPI 1336117779).
Provider details
- NPI number
- 1336117779
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35015 (TN)
Specialties & taxonomies
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
2,220 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) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 800 | $13 |
| Professional Service for Multiple Injections of Allergen95117 | 426 | $11 |
| Test to Assess Middle Ear Function92567 | 147 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 142 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 136 | $117 |
| Comprehensive Hearing and Speech Recognition Test92557 | 114 | $34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 198 | 81 |
| Mupirocin | 194 | 115 |
| Cefdinir | 109 | 95 |
| Levothyroxine Sodium | 87 | 15 |
| Ofloxacin | 76 | 41 |
| Fluocinolone Acetonide Oil | 70 | 42 |
| Ondansetron Hcl | 64 | 58 |
| Dupilumabbrand: Dupixent Syringe |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$164 across 7 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
- 2006-03-10
- Last updated
- 2015-07-23
Frequently asked questions
- What is Timothy Zajonc's NPI number?
- Timothy Zajonc's National Provider Identifier (NPI) is 1336117779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Zajonc's specialty?
- Timothy Zajonc is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Zajonc located?
- Timothy Zajonc's practice location on file with NPPES is 2340 Knob Creek Rd 704, Johnson City, TN 37604-2977.
- What is Timothy Zajonc's phone number?
- The practice phone number listed in the NPPES registry for Timothy Zajonc is (423) 929-9101.
- Does Timothy Zajonc accept Medicare?
- Timothy Zajonc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Zajonc's NPI active?
- Yes — Timothy Zajonc's NPI (1336117779) is active in the NPPES registry as of the last update on 2015-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.