James G. Lieber, MD, PLC
NPI 1225175433 · Internal Medicine Physician · Chandler, AZ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James G. Lieber, MD, PLC is a Internal Medicine Physician organization in Chandler, AZ (NPI 1225175433).
Provider details
- NPI number
- 1225175433
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- James Lieber, President(480) 821-0788
- License
- 24507 (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
19 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
Other names (DBA / former)
- Doing business as
- James G. Lieber, MD, PLC
Registry dates
- Enumerated
- 2007-01-30
- Last updated
- 2020-08-22
Frequently asked questions
- What is James G. Lieber, MD, PLC's NPI number?
- James G. Lieber, MD, PLC's National Provider Identifier (NPI) is 1225175433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is James G. Lieber, MD, PLC?
- James G. Lieber, MD, PLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James G. Lieber, MD, PLC located?
- James G. Lieber, MD, PLC's practice location on file with NPPES is 595 N Dobson Rd, Chandler, AZ 85224-4226.
- What is James G. Lieber, MD, PLC's phone number?
- The practice phone number listed in the NPPES registry for James G. Lieber, MD, PLC is (480) 821-0788.
- Does James G. Lieber, MD, PLC accept Medicare?
- James G. Lieber, MD, PLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for James G. Lieber, MD, PLC?
- The authorized official listed on James G. Lieber, MD, PLC's NPPES record is James Lieber, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is James G. Lieber, MD, PLC's NPI active?
- Yes — James G. Lieber, MD, PLC's NPI (1225175433) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.