Denis Grigorov, NP
NPI 1548968167 · Psychiatric/Mental Health Nurse Practitioner · Monrovia, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denis Grigorov, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Monrovia, CA (NPI 1548968167).
Provider details
- NPI number
- 1548968167
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 95026111 (CA)
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
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 5838 E Naples PlzLong Beach, CA 90803-5039Phone: (877) 624-1427Fax: (323) 927-1550
Registry dates
- Enumerated
- 2023-02-22
- Last updated
- 2026-01-09
- Certified
- 2026-01-09
Frequently asked questions
- What is Denis Grigorov's NPI number?
- Denis Grigorov's National Provider Identifier (NPI) is 1548968167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denis Grigorov's specialty?
- Denis Grigorov is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Denis Grigorov located?
- Denis Grigorov's practice location on file with NPPES is 517 S Ivy Ave, Monrovia, CA 91016-2827.
- What is Denis Grigorov's phone number?
- The practice phone number listed in the NPPES registry for Denis Grigorov is (323) 961-2545.
- Does Denis Grigorov accept Medicare?
- Denis Grigorov is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denis Grigorov's NPI active?
- Yes — Denis Grigorov's NPI (1548968167) is active in the NPPES registry as of the last update on 2026-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.