Doctor profile · Federal record
Dr. John Demaio, D,C,
Nutrition Chiropractor (CMS: Chiropractic) · Chiropractor · Gambrills, MD
- NPI 1356486450
- Accepts Medicare
- 36 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2391 Brandermill Blvd Ste 105
Gambrills, MD 210541985
(410) 721-2222
fax (410) 721-2437
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- June 6, 2022
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 111NN1001X — NUCC code
- State license (1)
- Maryland #S01522
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356486450. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,424
Distinct HCPCS
2
Medicare allowed
$57,230
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 1,288 | 154 | $41 | |
98940 |
Chiropractic manipulative treatment, 1-2 spinal regions | 136 | 28 | $29 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 712. This provider delivers 2.0× the peer median.Frequently asked questions
What is Dr. John Demaio's medical specialty?
Dr. John Demaio practices Nutrition Chiropractor in Gambrills, MD.
Where does Dr. John Demaio practice?
Dr. John Demaio practices at 2391 Brandermill Blvd Ste 105, Gambrills, MD 210541985. Office phone: 4107212222.
What is Dr. John Demaio's NPI?
Dr. John Demaio's National Provider Identifier (NPI) is 1356486450, issued by NPPES.
Does Dr. John Demaio accept Medicare assignment?
Yes. Dr. John Demaio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Demaio commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.