Cheryl O'Malley, M.D.
NPI 1588633226 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cheryl O'Malley, M.D. is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1588633226).
Provider details
- NPI number
- 1588633226
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 31349 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-15
- Last updated
- 2023-09-07
Frequently asked questions
- What is Cheryl O'Malley's NPI number?
- Cheryl O'Malley's National Provider Identifier (NPI) is 1588633226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheryl O'Malley's specialty?
- Cheryl O'Malley is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cheryl O'Malley located?
- Cheryl O'Malley's practice location on file with NPPES is 1111 E Mcdowell Rd, Phoenix, AZ 85006-2612.
- What is Cheryl O'Malley's phone number?
- The practice phone number listed in the NPPES registry for Cheryl O'Malley is (602) 239-2296.
- Does Cheryl O'Malley accept Medicare?
- Cheryl O'Malley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cheryl O'Malley's NPI active?
- Yes — Cheryl O'Malley's NPI (1588633226) is active in the NPPES registry as of the last update on 2023-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.