Mary Lloyd, APN
NPI 1609105527 · Family Nurse Practitioner · Elgin, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lloyd, APN is a Family Nurse Practitioner provider in Elgin, IL (NPI 1609105527).
Provider details
- NPI number
- 1609105527
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 209004617 (IL)
Specialties & taxonomies
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
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
105 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 87 | $79 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 18 | $98 |
Typical Medicare-allowed amounts for these services range $79–$98 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 19 | — |
| Amlodipine Besylate | 18 | 13 |
| Atorvastatin Calcium | 18 | 11 |
| Levothyroxine Sodium | 18 | — |
| Lisinopril | 17 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 15 | — |
Practice location
Mailing address
Additional practice locations (2)
- 324 Roosevelt RdGlen Ellyn, IL 60137-5647Phone: (800) 323-8622Fax: (224) 225-0368
- 1340 Dekalb AveSycamore, IL 60178-2750Phone: (866) 825-3227
Registry dates
- Enumerated
- 2009-12-24
- Last updated
- 2023-10-16
- Certified
- 2023-10-16
Frequently asked questions
- What is Mary Lloyd's NPI number?
- Mary Lloyd's National Provider Identifier (NPI) is 1609105527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lloyd's specialty?
- Mary Lloyd is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Lloyd located?
- Mary Lloyd's practice location on file with NPPES is 87 N Airlite St Ste 301, Elgin, IL 60123-4988.
- What is Mary Lloyd's phone number?
- The practice phone number listed in the NPPES registry for Mary Lloyd is (847) 888-3661.
- Does Mary Lloyd accept Medicare?
- Mary Lloyd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lloyd's NPI active?
- Yes — Mary Lloyd's NPI (1609105527) is active in the NPPES registry as of the last update on 2023-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.