CRIMSON HEALTH
NPI 1609707579
Internal Medicine - Addiction Medicine in Riverside, CA
NPI Status: Active since May 28, 2026
Contact Information
3576 ARLINGTON AVE STE 304
RIVERSIDE, CA
ZIP 92506
Phone: (909) 206-4057
This NPI profile has been added to the NPI registry within the last 30 days.
- Organization
- Internal Medicine
- Addiction Medicine
About CRIMSON HEALTH
This page provides the complete NPI Profile along with additional information for Crimson Health, an internist established in Riverside, California operating as a Internal Medicine, focusing in addiction medicine . The healthcare provider is registered in the NPI registry with number 1609707579 assigned on May 2026. The practitioner's primary taxonomy code is 207RA0401X. The provider is registered as an organization and their NPI record was last updated May 2026. Crimson Health operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Mutahir Farhan Md (Owner)
- NPI
- 1609707579
- Provider Name
- CRIMSON HEALTH
- Entity Type
- Organization
- Location Address
- 3576 ARLINGTON AVE STE 304 RIVERSIDE, CA 92506
- Location Phone
- (909) 206-4057
- Mailing Address
- 20810 BAKAL DR RIVERSIDE, CA 92508
- Mailing Phone
- (951) 497-3749
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 05-28-2026
- Last Update Date
- 05-28-2026
- Code Navigator
An internist like Crimson Health is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
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
Internal Medicine Addiction Medicine
- Taxonomy Code
- 207RA0401X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 163WW0000X | Nursing Service Providers | Registered Nurse | |
| 2 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | |
| 3 | 207RA0000X | Allopathic & Osteopathic Physicians | Internal Medicine | |
| 4 | 2084A0401X | Allopathic & Osteopathic Physicians | Psychiatry & Neurology | |
| 5 | 2084P0800X | Allopathic & Osteopathic Physicians | Psychiatry & Neurology | |
| 6 | 2084P0804X | Allopathic & Osteopathic Physicians | Psychiatry & Neurology | |
| 7 | 208VP0000X | Allopathic & Osteopathic Physicians | Pain Medicine |
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
Reviews for CRIMSON HEALTH
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1609707579, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1609707579, enumerated as an "organization" on May 28, 2026.
The provider is located at 3576 ARLINGTON AVE STE 304 RIVERSIDE, CA 92506 and the phone number is (909) 206-4057.
Internal Medicine with taxonomy code 207RA0401X and a focus in Addiction Medicine.
