MARCUS OLSEN PA-C
NPI 1649906819
Psychologist - Prescribing (Medical) in San Jose, CA
NPI Status: Active since July 28, 2022
Contact Information
2039 FOREST AVE STE 201
SAN JOSE, CA
ZIP 95128
Phone: (408) 358-8090
- Individual
- Male
- Psychologist
- Prescribing (Medical)
- PECOS Enrolled
About MARCUS OLSEN
This page provides the complete NPI Profile along with additional information for Marcus Olsen, a provider established in San Jose, California with a medical specialization in Psychologist, focusing in prescribing (medical) . The healthcare provider is registered in the NPI registry with number 1649906819 assigned on July 2022. The practitioner's primary taxonomy code is 103TP0016X. The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1649906819
- Provider Name
- MARCUS OLSEN PA-C
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2039 FOREST AVE STE 201 SAN JOSE, CA 95128
- Location Phone
- (408) 358-8090
- Mailing Address
- 9301 WILSHIRE BLVD STE 506 BEVERLY HILLS, CA 90210
- Mailing Phone
- (424) 239-5981
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-28-2022
- Last Update Date
- 02-28-2025
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Psychologist Prescribing (Medical)
- Taxonomy Code
- 103TP0016X
- Type
- Behavioral Health & Social Service Providers
- Taxonomy Description
- A licensed, doctoral-level psychologist authorized to prescribe and has undergone specialized education and training in preparation for prescriptive practice and has passed an examination accepted by the state board of psychology relevant to establishing competence for prescribing, and has received from the state board of psychology a current certificate granting prescriptive authority, which has not been revoked or suspended.
Medicare Participation & PECOS Enrollment Status
Marcus Olsen is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1649906819, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 4 providers are registered at the same or a nearby location.
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1649906819, enumerated as an "individual" on July 28, 2022.
The provider is located at 2039 FOREST AVE STE 201 SAN JOSE, CA 95128 and the phone number is (408) 358-8090.
Psychologist with taxonomy code 103TP0016X and a focus in Prescribing (Medical).
