Christina Siemer-Harley, APRN
NPI 1568831618 · Family Nurse Practitioner · Lancaster, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Siemer-Harley, APRN is a Family Nurse Practitioner provider in Lancaster, OH (NPI 1568831618).
Provider details
- NPI number
- 1568831618
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- COA.16038-NP (OH)
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
10 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
218 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) |
|---|---|---|
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 54 | $149 |
| Advance Care Planning, First 30 Minutes99497 | 41 | $61 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 32 | $103 |
| Advance Care Planning, First 30 Minutes99497 | 27 | $66 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 18 | $64 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-09-18
- Last updated
- 2022-11-25
- Certified
- 2022-11-25
Frequently asked questions
- What is Christina Siemer-Harley's NPI number?
- Christina Siemer-Harley's National Provider Identifier (NPI) is 1568831618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Siemer-Harley's specialty?
- Christina Siemer-Harley is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christina Siemer-Harley located?
- Christina Siemer-Harley's practice location on file with NPPES is 282 Sells Road, Lancaster, OH 43130.
- What is Christina Siemer-Harley's phone number?
- The practice phone number listed in the NPPES registry for Christina Siemer-Harley is (740) 654-7077.
- Does Christina Siemer-Harley accept Medicare?
- Christina Siemer-Harley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Siemer-Harley's NPI active?
- Yes — Christina Siemer-Harley's NPI (1568831618) is active in the NPPES registry as of the last update on 2022-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.