Louisa Griggs, M.D
NPI 1659613065 · Student in an Organized Health Care Education/Training Program · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louisa Griggs, M.D is a Student in an Organized Health Care Education/Training Program provider in Chicago, IL (NPI 1659613065).
Provider details
- NPI number
- 1659613065
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
$570 across 27 records (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
- 2013-03-24
- Last updated
- 2013-03-24
Frequently asked questions
- What is Louisa Griggs's NPI number?
- Louisa Griggs's National Provider Identifier (NPI) is 1659613065, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louisa Griggs's specialty?
- Louisa Griggs is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Louisa Griggs located?
- Louisa Griggs's practice location on file with NPPES is 836 W Wellington Ave, Chicago, IL 60657-5147.
- What is Louisa Griggs's phone number?
- The practice phone number listed in the NPPES registry for Louisa Griggs is (773) 975-1600.
- Does Louisa Griggs accept Medicare?
- Louisa Griggs is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louisa Griggs's NPI active?
- Yes — Louisa Griggs's NPI (1659613065) is active in the NPPES registry as of the last update on 2013-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.