John Zwetchkenbaum, M.D.
NPI 1124027552 · Allergy Physician · Providence, RI
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Zwetchkenbaum, M.D. is a Allergy Physician provider in Providence, RI (NPI 1124027552).
Provider details
- NPI number
- 1124027552
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD07704 (RI)
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
9,149 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 Allergenic Extract95004 | 4,924 | $3 |
| Test for Allergy Using Skin Patch95044 | 2,437 | $5 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 976 | $8 |
| Professional Service for Multiple Injections of Allergen95117 | 190 | $12 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 155 | $87 |
| Test to Measure Expiratory Airflow and Volume94010 | 126 | $26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 182 | 86 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 171 | 42 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 147 | 66 |
| Azelastine Hcl | 125 | 62 |
| Levocetirizine Dihydrochloride | 124 | 54 |
| Montelukast Sodium | 110 | 45 |
| Fluticasone Furoatebrand: Arnuity Ellipta |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$193,327 across 25 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
- 2005-07-18
- Last updated
- 2008-02-21
Frequently asked questions
- What is John Zwetchkenbaum's NPI number?
- John Zwetchkenbaum's National Provider Identifier (NPI) is 1124027552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zwetchkenbaum's specialty?
- John Zwetchkenbaum is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is John Zwetchkenbaum located?
- John Zwetchkenbaum's practice location on file with NPPES is 1056 Hope St, Providence, RI 02906-5026.
- What is John Zwetchkenbaum's phone number?
- The practice phone number listed in the NPPES registry for John Zwetchkenbaum is (401) 751-1235.
- Does John Zwetchkenbaum accept Medicare?
- John Zwetchkenbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Zwetchkenbaum's NPI active?
- Yes — John Zwetchkenbaum's NPI (1124027552) is active in the NPPES registry as of the last update on 2008-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.