Joanne Mahoney
NPI 1689691628 · Internal Medicine Physician · Key Largo, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanne Mahoney is a Internal Medicine Physician provider in Key Largo, FL (NPI 1689691628).
Provider details
- NPI number
- 1689691628
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- ME47004 (FL)
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
2,154 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 443 | $134 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 331 | $22 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 324 | $3 |
| Manual Urinalysis Test With Examination Using Microscope, Non-Automated81000 | 161 | $4 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 126 | $19 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 324 | 100 |
| Levothyroxine Sodium | 241 | 67 |
| Metoprolol Succinate | 168 | 48 |
| Metformin Hcl | 150 | 47 |
| Valsartan | 142 | 41 |
| Lisinopril | 134 | 42 |
| Oxycodone Hcl | 122 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 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
- 2006-07-16
- Last updated
- 2023-07-22
- Certified
- 2023-07-22
Frequently asked questions
- What is Joanne Mahoney's NPI number?
- Joanne Mahoney's National Provider Identifier (NPI) is 1689691628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Mahoney's specialty?
- Joanne Mahoney is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joanne Mahoney located?
- Joanne Mahoney's practice location on file with NPPES is 95360 Overseas Hwy Ste 1, Key Largo, FL 33037-2038.
- What is Joanne Mahoney's phone number?
- The practice phone number listed in the NPPES registry for Joanne Mahoney is (305) 852-7417.
- Does Joanne Mahoney accept Medicare?
- Joanne Mahoney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanne Mahoney's NPI active?
- Yes — Joanne Mahoney's NPI (1689691628) is active in the NPPES registry as of the last update on 2023-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.