Nancy Greer, MD
NPI 1639158363 · Pediatrics Physician · Phoenix, AZ
Nancy Greer, MD is a Pediatrics Physician provider in Phoenix, AZ (NPI 1639158363).
Provider details
- NPI number
- 1639158363
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 66843 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-11
- Last updated
- 2026-04-10
- Certified
- 2026-04-10
Frequently asked questions
- What is Nancy Greer's NPI number?
- Nancy Greer's National Provider Identifier (NPI) is 1639158363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Greer's specialty?
- Nancy Greer is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Greer located?
- Nancy Greer's practice location on file with NPPES is 20040 N 19th Ave Ste C, Phoenix, AZ 85027-4256.
- What is Nancy Greer's phone number?
- The practice phone number listed in the NPPES registry for Nancy Greer is (623) 869-8948.
- Is Nancy Greer's NPI active?
- Yes — Nancy Greer's NPI (1639158363) is active in the NPPES registry as of the last update on 2026-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.