Christopher Mercer, NP
NPI 1821871062 · Psychiatric/Mental Health Nurse Practitioner · Valparaiso, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Mercer, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Valparaiso, IN (NPI 1821871062).
Provider details
- NPI number
- 1821871062
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2023064106 (IN)
Specialties & taxonomies
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 tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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.
$322 across 18 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
Additional practice locations (1)
- 11850 High Cloister Ct.Fishers, IN 46037Phone: (765) 760-1640
Registry dates
- Enumerated
- 2023-08-14
- Last updated
- 2024-05-21
- Certified
- 2024-05-08
Frequently asked questions
- What is Christopher Mercer's NPI number?
- Christopher Mercer's National Provider Identifier (NPI) is 1821871062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Mercer's specialty?
- Christopher Mercer is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Mercer located?
- Christopher Mercer's practice location on file with NPPES is 5 Washington St Ste 300-158, Valparaiso, IN 46383-4768.
- What is Christopher Mercer's phone number?
- The practice phone number listed in the NPPES registry for Christopher Mercer is (765) 760-1640.
- Does Christopher Mercer accept Medicare?
- Christopher Mercer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Mercer's NPI active?
- Yes — Christopher Mercer's NPI (1821871062) is active in the NPPES registry as of the last update on 2024-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.