Justin Greiwe, M.D.
NPI 1942444807 · Allergy & Immunology Physician · Cincinnati, OH
Justin Greiwe, M.D. is a Allergy & Immunology Physician provider in Cincinnati, OH (NPI 1942444807).
Provider details
- NPI number
- 1942444807
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.09897 (OH)
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
17 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
223 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 Multiple Injections of Allergen95117 | 92 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $85 |
| Test to Measure Expiratory Airflow and Volume94010 | 17 | $24 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $158 |
Typical Medicare-allowed amounts for these services range $10–$158 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Azelastine Hcl | 113 | 46 |
| Ipratropium Bromide | 43 | 18 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 43 | 11 |
| Fluticasone Propionate | 39 | 15 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 38 | — |
| Tiotropium Bromidebrand: Spiriva Respimat | 36 | — |
| Fluticasone/Vilanterolbrand: Breo Ellipta |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$223,891 across 329 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
- 2009-04-22
- Last updated
- 2022-07-26
- Certified
- 2022-07-26
Frequently asked questions
- What is Justin Greiwe's NPI number?
- Justin Greiwe's National Provider Identifier (NPI) is 1942444807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Greiwe's specialty?
- Justin Greiwe is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Greiwe located?
- Justin Greiwe's practice location on file with NPPES is 4665 E Galbraith Rd Fl 2, Cincinnati, OH 45236-2783.
- What is Justin Greiwe's phone number?
- The practice phone number listed in the NPPES registry for Justin Greiwe is (513) 931-0775.
- Is Justin Greiwe's NPI active?
- Yes — Justin Greiwe's NPI (1942444807) is active in the NPPES registry as of the last update on 2022-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.