Mary Ballard, MD
NPI 1922040997 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Ballard, MD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1922040997).
Provider details
- NPI number
- 1922040997
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 53539 (AZ)
Specialties & taxonomies
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
- 2006-06-12
- Last updated
- 2019-03-22
Frequently asked questions
- What is Mary Ballard's NPI number?
- Mary Ballard's National Provider Identifier (NPI) is 1922040997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ballard's specialty?
- Mary Ballard is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Ballard located?
- Mary Ballard's practice location on file with NPPES is 3003 N 3rd St, Phoenix, AZ 85012-3031.
- What is Mary Ballard's phone number?
- The practice phone number listed in the NPPES registry for Mary Ballard is (602) 282-9701.
- Does Mary Ballard accept Medicare?
- Mary Ballard is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Ballard's NPI active?
- Yes — Mary Ballard's NPI (1922040997) is active in the NPPES registry as of the last update on 2019-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.