Christopher Stalberg, MD, PLLC
NPI 1689818874 · Internal Medicine Physician · Sun City West, AZ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Stalberg, MD, PLLC is a Internal Medicine Physician organization in Sun City West, AZ (NPI 1689818874).
Provider details
- NPI number
- 1689818874
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Emily Castillo, Regional Manager(702) 480-2550
- License
- 25355 (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
17 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
- Optum Primary Care
Registry dates
- Enumerated
- 2009-05-01
- Last updated
- 2023-09-02
- Certified
- 2023-09-02
Frequently asked questions
- What is Christopher Stalberg, MD, PLLC's NPI number?
- Christopher Stalberg, MD, PLLC's National Provider Identifier (NPI) is 1689818874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Christopher Stalberg, MD, PLLC?
- Christopher Stalberg, MD, PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Stalberg, MD, PLLC located?
- Christopher Stalberg, MD, PLLC's practice location on file with NPPES is 14418 W Meeker Blvd, Sun City West, AZ 85375-5291.
- What is Christopher Stalberg, MD, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Christopher Stalberg, MD, PLLC is (623) 544-8400.
- Does Christopher Stalberg, MD, PLLC accept Medicare?
- Christopher Stalberg, MD, PLLC 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 Christopher Stalberg, MD, PLLC?
- The authorized official listed on Christopher Stalberg, MD, PLLC's NPPES record is Emily Castillo, Regional Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Christopher Stalberg, MD, PLLC's NPI active?
- Yes — Christopher Stalberg, MD, PLLC's NPI (1689818874) is active in the NPPES registry as of the last update on 2023-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.