Ivy-Joan Madu, M.D.
NPI 1710988662 · Endocrinology, Diabetes & Metabolism Physician · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ivy-Joan Madu, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Orange, CA (NPI 1710988662).
Provider details
- NPI number
- 1710988662
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A50150 (CA)
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
20 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
1,139 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 | 300 | $138 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 231 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 159 | $98 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 96 | $194 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 95 | $51 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 900 | 197 |
| Semaglutidebrand: Ozempic | 745 | 132 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 537 | 178 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 411 | 144 |
| Metformin Hcl | 362 | 104 |
| Empagliflozinbrand: Jardiance | 286 | 58 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$247 across 18 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
- 2005-08-02
- Last updated
- 2022-04-16
- Certified
- 2022-04-16
Frequently asked questions
- What is Ivy-Joan Madu's NPI number?
- Ivy-Joan Madu's National Provider Identifier (NPI) is 1710988662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ivy-Joan Madu's specialty?
- Ivy-Joan Madu is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Ivy-Joan Madu located?
- Ivy-Joan Madu's practice location on file with NPPES is 1310 W Stewart Dr Ste 610, Orange, CA 92868-3857.
- What is Ivy-Joan Madu's phone number?
- The practice phone number listed in the NPPES registry for Ivy-Joan Madu is (714) 639-1815.
- Does Ivy-Joan Madu accept Medicare?
- Ivy-Joan Madu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ivy-Joan Madu's NPI active?
- Yes — Ivy-Joan Madu's NPI (1710988662) is active in the NPPES registry as of the last update on 2022-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.