Gladys Larsen, FNP
NPI 1174974661 · Nurse Practitioner · Tinley Park, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gladys Larsen, FNP is a Nurse Practitioner provider in Tinley Park, IL (NPI 1174974661).
Provider details
- NPI number
- 1174974661
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- G182168 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
317 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 88 | $134 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 76 | $94 |
| Advance Care Planning, First 30 Minutes99497 | 38 | $72 |
| Advance Care Planning, First 30 Minutes99497 | 35 | $65 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 34 | $93 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 |
Practice location
Mailing address
Additional practice locations (3)
- 699 Walnut StDes Moines, IA 50309-3929Phone: (505) 236-4671Fax: (888) 597-2151
- 122 S Michigan AveChicago, IL 60603-6191Phone: (312) 279-9814
- 8741 S Greenwood Ave Ste 106-108Chicago, IL 60619-7061Phone: (773) 920-2755Fax: (630) 317-7579
Registry dates
- Enumerated
- 2016-06-26
- Last updated
- 2026-01-21
- Certified
- 2026-01-21
Frequently asked questions
- What is Gladys Larsen's NPI number?
- Gladys Larsen's National Provider Identifier (NPI) is 1174974661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gladys Larsen's specialty?
- Gladys Larsen is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gladys Larsen located?
- Gladys Larsen's practice location on file with NPPES is 7901 W 159th St Ste B, Tinley Park, IL 60477-1881.
- What is Gladys Larsen's phone number?
- The practice phone number listed in the NPPES registry for Gladys Larsen is (312) 279-9814.
- Does Gladys Larsen accept Medicare?
- Gladys Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gladys Larsen's NPI active?
- Yes — Gladys Larsen's NPI (1174974661) is active in the NPPES registry as of the last update on 2026-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.