Irene Mayer, M.D.
NPI 1073601944 · Internal Medicine Physician · Oxford, FL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irene Mayer, M.D. is a Internal Medicine Physician provider in Oxford, FL (NPI 1073601944).
Provider details
- NPI number
- 1073601944
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- TRN9112 (FL)
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 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
1,423 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 880 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 167 | $111 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 117 | $49 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 102 | $128 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 65 | $116 |
| Initial Hospital Care With Same-Day Admission and Discharge With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 70 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 60 | 58 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 21 | 19 |
| Metoprolol Succinate | 17 | 17 |
| Metoprolol Tartrate | 17 | 16 |
| Amlodipine Besylate | 13 | 12 |
| Apixabanbrand: Eliquis | 13 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2023-11-27
- Certified
- 2023-11-27
Frequently asked questions
- What is Irene Mayer's NPI number?
- Irene Mayer's National Provider Identifier (NPI) is 1073601944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Mayer's specialty?
- Irene Mayer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Irene Mayer located?
- Irene Mayer's practice location on file with NPPES is 5050 County Road 472, Oxford, FL 34484-3750.
- What is Irene Mayer's phone number?
- The practice phone number listed in the NPPES registry for Irene Mayer is (352) 689-6400.
- Does Irene Mayer accept Medicare?
- Irene Mayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irene Mayer's NPI active?
- Yes — Irene Mayer's NPI (1073601944) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.