Quick answers
- Does Theresa Pak accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa Pak 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 Theresa Pak see?
- In 2024, CMS data shows 310 Original Medicare patients and 3,990 services for Theresa Pak. This counts Original Medicare only and measures volume, not quality.
- What is Theresa Pak's NPI number?
- 1922536630. 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 Theresa Pak, 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 | 310 |
|---|---|
| Services billed to Medicare | 3,990 |
| Different services or procedures | 56 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)2,208 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)540 services
- X-ray of shoulder, minimum of 2 views (73030)286 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)261 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)164 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%
- High cholesterol75%
- Arthritis75%
- Chronic kidney disease34%
- Depression33%
- Anxiety32%
Hospitals where Theresa Pak works
Medicare's Facility Affiliation Data lists Theresa Pak 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.
- Banner Estrella Medical CenterPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030115
- The Core Institute Specialty HospitalPhoenix, AZ · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 030108
Practice locations
Addresses where Theresa Pak is enrolled with Medicare (CMS data updated October 2, 2026).
- 10484 W Thunderbird Blvd, Suite 100Sun City, AZ 85351 (866) 974‑2673
- 18444 N 25th Ave, Suite 210Phoenix, AZ 85023 (866) 974‑2673
Group practices
Medicare enrollment lists Theresa Pak as a member of this group (CMS data updated October 2, 2026).
- Center for Orthopedic Research and Education LLC250 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Sun City
Clinicians with the same Medicare primary specialty in Sun City, AZ — not a recommendation.
Other clinicians in Center for Orthopedic Research and Education LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Touro Un Col Of Osteopathic Medicine, New York |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922536630 |
| 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