Ann Rusk, MD
NPI 1649664582 · Critical Care Medicine (Internal Medicine) Physician · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Rusk, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Scottsdale, AZ (NPI 1649664582).
Provider details
- NPI number
- 1649664582
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 67403 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
220 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 63 | $202 |
| Therapeutic Procedures to Improve Respiratory Function Or Increase Strength Or Endurance of Respiratory Muscles, Two Or More Individuals (includes Monitoring)G0239 | 56 | $12 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 29 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 22 | $113 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 20 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
Practice location
Mailing address
Additional practice locations (2)
- 200 1st St SwRochester, MN 55905-0001Phone: (507) 284-2511
- 9200 W Wisconsin AveMilwaukee, WI 53226Phone: (414) 805-6850Fax: (414) 805-6851
Registry dates
- Enumerated
- 2015-03-27
- Last updated
- 2026-01-28
- Certified
- 2026-01-28
Frequently asked questions
- What is Ann Rusk's NPI number?
- Ann Rusk's National Provider Identifier (NPI) is 1649664582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Rusk's specialty?
- Ann Rusk is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Rusk located?
- Ann Rusk's practice location on file with NPPES is 13400 E Shea Blvd, Scottsdale, AZ 85259-5499.
- What is Ann Rusk's phone number?
- The practice phone number listed in the NPPES registry for Ann Rusk is (480) 301-8000.
- Does Ann Rusk accept Medicare?
- Ann Rusk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Rusk's NPI active?
- Yes — Ann Rusk's NPI (1649664582) is active in the NPPES registry as of the last update on 2026-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.