Philip Hemmers, D.O.
NPI 1386700854 · Allergy & Immunology Physician · Norwalk, CT
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip Hemmers, D.O. is a Allergy & Immunology Physician provider in Norwalk, CT (NPI 1386700854).
Provider details
- NPI number
- 1386700854
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 044867 (CT)
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
19 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
3,907 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 | 2,265 | $4 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 835 | $16 |
| Professional Service for Multiple Injections of Allergen95117 | 445 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 170 | $95 |
| Professional Service for Single Injection of Allergen95115 | 134 | $11 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 58 | $116 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 117 | 55 |
| Montelukast Sodium | 102 | 28 |
| Fluticasone Propionate | 69 | 38 |
| Levocetirizine Dihydrochloride | 50 | 18 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 41 | 17 |
| Epinephrine | 36 | 31 |
| Ipratropium Bromide | 36 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$56 across 2 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
- 2006-12-29
- Last updated
- 2011-09-01
Frequently asked questions
- What is Philip Hemmers's NPI number?
- Philip Hemmers's National Provider Identifier (NPI) is 1386700854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Hemmers's specialty?
- Philip Hemmers is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Hemmers located?
- Philip Hemmers's practice location on file with NPPES is 761 Main Ave, Norwalk, CT 06851.
- What is Philip Hemmers's phone number?
- The practice phone number listed in the NPPES registry for Philip Hemmers is (203) 870-8731.
- Does Philip Hemmers accept Medicare?
- Philip Hemmers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip Hemmers's NPI active?
- Yes — Philip Hemmers's NPI (1386700854) is active in the NPPES registry as of the last update on 2011-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.