Denis Grigorov, NP - Medicare Nurse Practitioner in Monrovia, CA

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Denis Grigorov, NP is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Monrovia, California. He graduated from nursing school in 2023 and has 3 years of diverse experience with area of expertise as Nurse Practitioner. His current practice location is 517 S Ivy Ave, Monrovia, California. You can reach out to his office (for appointments etc.) via phone at (323) 961-2545.

Denis Grigorov is licensed to practice in California (license number 95026111) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1548968167.

Contact Information

Denis Grigorov, NP
517 S Ivy Ave,
Monrovia, CA 91016-2827
(323) 961-2545
(323) 927-1550

Map and Direction




Provider's Profile

Full NameDenis Grigorov
GenderMale
SpecialityNurse Practitioner
Experience3 Years
Location517 S Ivy Ave, Monrovia, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Denis Grigorov graduated from nursing school in 2023
  NPI Data:
  • NPI Number: 1548968167
  • Provider Enumeration Date: 02/22/2023
  • Last Update Date: 01/09/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 2062901879
  • Enrollment ID: I20251031000800

Medical Identifiers

Medical identifiers for Denis Grigorov such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548968167NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health 95026111 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Denis Grigorov allows following entities to bill medicare on his behalf.
Entity NameD&y Integrated Psychiatry
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023993003
PECOS PAC ID: 6709375512
Enrollment ID: O20251031000498

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Denis Grigorov is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Denis Grigorov, NP
7015 Wilcox Ave,
Bell, CA 90201-3814

Ph: (469) 396-3369		Denis Grigorov, NP
517 S Ivy Ave,
Monrovia, CA 91016-2827

Ph: (323) 961-2545

Reviews and Comments


Nurse Practitioner Nurses in Monrovia, CA

Leah Haddad, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 517 S Ivy Ave, Monrovia, CA 91016
Phone: 855-314-5625    
Ronelia Maganis Manalang, FNP-C
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 219 May Ave, Monrovia, CA 91016
Phone: 818-606-1481    
Dr. Jie Yu,
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 606 E Huntington Dr, Monrovia, CA 91016
Phone: 818-851-8852    
Melissa Mayr, PMHNP-BC
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 902 S Myrtle Ave, Monrovia, CA 91016
Phone: 626-358-8964    
Leticia Kouchak-eftekhar,
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 330 W Maple Ave, Monrovia, CA 91016
Phone: 626-256-1647    
Dr. Tiffany Wong, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 606 E Huntington Dr, Monrovia, CA 91016
Phone: 714-875-2387    
Joanna Ibanez, FNP-C
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 136 E Walnut Ave, Monrovia, CA 91016
Phone: 323-238-6902    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.