Philip O'Halloran, M.D.
NPI 1306939285 · Occupational Medicine Physician · Warren, MI
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip O'Halloran, M.D. is a Occupational Medicine Physician provider in Warren, MI (NPI 1306939285).
Provider details
- NPI number
- 1306939285
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301407335 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
288 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 133 | $91 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 83 | $113 |
| Urinalysis, Manual Test81002 | 24 | $3 |
| X-Ray of Chest, 2 Views71046 | 23 | $33 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 13 | $14 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 44 | 41 |
| Doxycycline Hyclate | 29 | 29 |
| Naproxen | 28 | 28 |
| Prednisone | 26 | 24 |
| Cephalexin | 25 | 24 |
| Methylprednisolone | 22 | 21 |
| Amoxicillin | 16 | 14 |
| Lisinopril | 15 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2025-09-11
Frequently asked questions
- What is Philip O'Halloran's NPI number?
- Philip O'Halloran's National Provider Identifier (NPI) is 1306939285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip O'Halloran's specialty?
- Philip O'Halloran is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Philip O'Halloran located?
- Philip O'Halloran's practice location on file with NPPES is 11800 E 12 Mile Rd, Warren, MI 48093-3472.
- What is Philip O'Halloran's phone number?
- The practice phone number listed in the NPPES registry for Philip O'Halloran is (586) 573-5059.
- Does Philip O'Halloran accept Medicare?
- Philip O'Halloran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip O'Halloran's NPI active?
- Yes — Philip O'Halloran's NPI (1306939285) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.