David Arthur Merrill, MD - Medicare Geriatric Psychiatry in Santa Monica, CA

David Arthur Merrill, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Santa Monica, California. He went to University Of California, San Diego School Of Medicine and graduated in 2004 and has 20 years of diverse experience with area of expertise as Geriatric Psychiatry. He is a member of the group practice Uc Regents, Providence Saint Johns Medical Foundation and his current practice location is 1301 20th St Ste 150, Santa Monica, California. You can reach out to his office (for appointments etc.) via phone at (310) 582-7641.

David Arthur Merrill is licensed to practice in California (license number A93072) 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 1902923410.

Contact Information

David Arthur Merrill, MD
1301 20th St Ste 150,
Santa Monica, CA 90404-2050
(310) 582-7641
(310) 315-4069

Map and Direction




Physician's Profile

Full NameDavid Arthur Merrill
GenderMale
SpecialityGeriatric Psychiatry
Experience20 Years
Location1301 20th St Ste 150, Santa Monica, 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:
  • David Arthur Merrill attended and graduated from University Of California, San Diego School Of Medicine in 2004
  NPI Data:
  • NPI Number: 1902923410
  • Provider Enumeration Date: 03/22/2007
  • Last Update Date: 04/19/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 4789781006
  • Enrollment ID: I20070522000314

Medical Identifiers

Medical identifiers for David Arthur Merrill such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902923410NPI-NPPES
00A930720MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry A93072 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Saint John's Health CenterSanta monica, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Uc Regents0749180453119
Providence Saint Johns Medical Foundation0840548624315

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. David Arthur Merrill allows following entities to bill medicare on his behalf.
Entity NameUc Regents
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750368999
PECOS PAC ID: 0749180453
Enrollment ID: O20040109000819
Entity NameProvidence Saint Johns Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518438712
PECOS PAC ID: 0840548624
Enrollment ID: O20180810000904

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. David Arthur Merrill 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
David Arthur Merrill, MD
300 Medical Plaza Suite 2200,
Los Angeles, CA 90095-8353

Ph: (310) 267-0274
David Arthur Merrill, MD
1301 20th St Ste 150,
Santa Monica, CA 90404-2050

Ph: (310) 582-7641

Reviews and Comments


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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.