NPI Details
DR. Mark Arnold Welch, D.O. is a psychiatry psychiatry neurology in Loma Linda, CA with 22 years of experience. The provider is a Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems. DR. Mark Arnold Welch, D.O. NPI is 1225063555. The provider is registered as an individual entity type.
The NPPES NPI record indicates the provider is a male.
The provider's business location address is:
11374 MOUNTAIN VIEW AVE
LOMA LINDA, CA
ZIP 92354-830
Phone: (909) 558-6094
The NPI 1225063555 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.
The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.
- Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
- Sleep study including heart rate, breathing, airflow, and effort (HCPCS:95806)
- Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
- Sleep study in sleep lab with continuous airway pressure (6 years or older) (HCPCS:95811)
- Sleep study in sleep lab (6 years or older) (HCPCS:95810)
The enumeration date for this NPI number is 7/12/2006 and was last updated on 9/25/2008.
Taxonomy Codes
The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:
No. |
Taxonomy Code |
Taxonomy Clasification |
Taxonomy Specialization |
License Number |
License State |
Primary |
1 | 2084P0800X | Psychiatry & Neurology | Psychiatry | 2OA8950 | CALIFORNIA | Yes |
Other Identifiers
The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.
No. |
Other Provider Identifier |
Other Provider Identifier Type |
Other Provider Identifier State |
Other Provider Identifier Issuer |
1 | 2OA89500 | OTHER | CALIFORNIA | MEDICARE NUMBER |