Monica Sim, CRNP
NPI 1679441653 · Family Nurse Practitioner · Rockville, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Monica Sim, CRNP is a Family Nurse Practitioner provider in Rockville, MD (NPI 1679441653).
Provider details
- NPI number
- 1679441653
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- R263649 (MD)
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 tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-10-29
- Last updated
- 2025-10-29
- Certified
- 2025-10-29
Frequently asked questions
- What is Monica Sim's NPI number?
- Monica Sim's National Provider Identifier (NPI) is 1679441653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Monica Sim's specialty?
- Monica Sim is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Monica Sim located?
- Monica Sim's practice location on file with NPPES is 9901 Medical Center Dr, Rockville, MD 20850-3357.
- What is Monica Sim's phone number?
- The practice phone number listed in the NPPES registry for Monica Sim is (240) 826-6000.
- Does Monica Sim accept Medicare?
- Monica Sim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Monica Sim's NPI active?
- Yes — Monica Sim's NPI (1679441653) is active in the NPPES registry as of the last update on 2025-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.