Allison Mclennon, APN
NPI 1598159717 · Nurse Practitioner · Palatine, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Mclennon, APN is a Nurse Practitioner provider in Palatine, IL (NPI 1598159717).
Provider details
- NPI number
- 1598159717
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 041326165 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,923 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 Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 1,202 | $35 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 573 | $65 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 148 | $117 |
Typical Medicare-allowed amounts for these services range $35–$117 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-25
- Last updated
- 2015-03-25
Frequently asked questions
- What is Allison Mclennon's NPI number?
- Allison Mclennon's National Provider Identifier (NPI) is 1598159717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Mclennon's specialty?
- Allison Mclennon is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Allison Mclennon located?
- Allison Mclennon's practice location on file with NPPES is 909 E Palatine Rd, Palatine, IL 60074-5551.
- What is Allison Mclennon's phone number?
- The practice phone number listed in the NPPES registry for Allison Mclennon is (847) 776-1400.
- Does Allison Mclennon accept Medicare?
- Allison Mclennon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Mclennon's NPI active?
- Yes — Allison Mclennon's NPI (1598159717) is active in the NPPES registry as of the last update on 2015-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.