Doctor profile · Federal record
Dr. Mary Johnson, D.C.
Chiropractor (CMS: Chiropractic) · San Rafael, CA
- NPI 1922172170
- Accepts Medicare
- 42 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
712 D St, Ste D
San Rafael, CA 949013709
(415) 485-6999
fax (415) 485-0153
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- California #16432
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922172170. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
297
Distinct HCPCS
1
Medicare allowed
$13,944
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 297 | 30 | $47 |
In context: peer comparison
Among 7 peers in San Rafael Chiropractor, average services per provider: 292. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Mary Johnson's medical specialty?
Dr. Mary Johnson practices Chiropractor in San Rafael, CA.
Where does Dr. Mary Johnson practice?
Dr. Mary Johnson practices at 712 D St, San Rafael, CA 949013709. Office phone: 4154856999.
What is Dr. Mary Johnson's NPI?
Dr. Mary Johnson's National Provider Identifier (NPI) is 1922172170, issued by NPPES.
Does Dr. Mary Johnson accept Medicare assignment?
Yes. Dr. Mary Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Johnson commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.