Jonathan Bayuk, DO
NPI 1588637102 · Allergy & Immunology Physician · Northampton, MA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Bayuk, DO is a Allergy & Immunology Physician provider in Northampton, MA (NPI 1588637102).
Provider details
- NPI number
- 1588637102
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 223052 (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
18,899 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 | 9,666 | $14 |
| Test for Allergy Using Allergenic Extract95004 | 3,739 | $3 |
| Professional Service for Multiple Injections of Allergen95117 | 2,580 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 547 | $121 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 508 | $8 |
| Professional Service for Single Injection of Allergen95115 | 482 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 144 | 44 |
| Omalizumabbrand: Xolair | 123 | 19 |
| Ipratropium Bromide | 111 | 44 |
| Cromolyn Sodium | 98 | 36 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 90 | 48 |
| Epinephrine | 88 | 64 |
| Dupilumabbrand: Dupixent Pen | 80 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39,360 across 218 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
- 2006-02-13
- Last updated
- 2015-02-13
Frequently asked questions
- What is Jonathan Bayuk's NPI number?
- Jonathan Bayuk's National Provider Identifier (NPI) is 1588637102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Bayuk's specialty?
- Jonathan Bayuk is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Bayuk located?
- Jonathan Bayuk's practice location on file with NPPES is 269 Locust St, Northampton, MA 01062-2003.
- What is Jonathan Bayuk's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Bayuk is (413) 586-0769.
- Does Jonathan Bayuk accept Medicare?
- Jonathan Bayuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Bayuk's NPI active?
- Yes — Jonathan Bayuk's NPI (1588637102) is active in the NPPES registry as of the last update on 2015-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.