Doctor profile · Federal record
Dr. Cassandra Mason, D.C.
Chiropractor (CMS: Chiropractic) · San Mateo, CA
- NPI 1942437553
- 19 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1407 S B St
San Mateo, CA 944022433
(650) 571-1122
fax (650) 571-1265
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- September 17, 2013
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- California #DC 30770
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942437553. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
359
Distinct HCPCS
1
Medicare allowed
$11,187
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98940 |
Chiropractic manipulative treatment, 1-2 spinal regions | 359 | 33 | $31 |
In context: peer comparison
Among 3 peers in San Mateo Chiropractor, average services per provider: 321. This provider delivers 1.1× the peer median.Frequently asked questions
What is Dr. Cassandra Mason's medical specialty?
Dr. Cassandra Mason practices Chiropractor in San Mateo, CA.
Where does Dr. Cassandra Mason practice?
Dr. Cassandra Mason practices at 1407 S B St, San Mateo, CA 944022433. Office phone: 6505711122.
What is Dr. Cassandra Mason's NPI?
Dr. Cassandra Mason's National Provider Identifier (NPI) is 1942437553, issued by NPPES.
Does Dr. Cassandra Mason accept Medicare assignment?
Dr. Cassandra Mason does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Cassandra Mason commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.