Quick answers
- Does Haihong Mao accept Medicare assignment?
- Yes. Medicare's clinician data says Haihong Mao accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Haihong Mao see?
- In 2024, CMS data shows 247 Original Medicare patients and 14,070 services for Haihong Mao. This counts Original Medicare only and measures volume, not quality.
- What is Haihong Mao's NPI number?
- 1023225901. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Haihong Mao, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 247 |
|---|---|
| Services billed to Medicare | 14,070 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)10,421 services
- Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (J7325)960 services
- Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg (J3304)832 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)383 services
- Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)202 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- Arthritis75%
- High cholesterol71%
- Diabetes32%
- Anxiety30%
- Depression28%
Hospitals where Haihong Mao works
Medicare's Facility Affiliation Data lists Haihong Mao at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150056
Practice locations
Addresses where Haihong Mao is enrolled with Medicare (CMS data updated October 2, 2026).
- 1701 N Senate BlvdIndianapolis, IN 46202 (888) 484‑3258
Group practices
Medicare enrollment lists Haihong Mao as a member of this group (CMS data updated October 2, 2026).
- IU Health Medical Group LLC4,462 clinicians in the group
Specialties
- Family Practiceprimary
- Sports Medicinealso
Other family doctors in Indianapolis
Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.
Other clinicians in IU Health Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023225901 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians