Doctor profile · Federal record
Dr. Gregory Krumholz, D.C.
Chiropractor (CMS: Chiropractic) · Central Islip, NY
- NPI 1912072034
- Accepts Medicare
- 30 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
258 E Suffolk Ave
Central Islip, NY 117222634
(631) 348-6780
fax (631) 348-6780
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- New York #X008489-1
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912072034. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
444
Distinct HCPCS
2
Medicare allowed
$18,088
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 321 | 39 | $44 | |
98940 |
Chiropractic manipulative treatment, 1-2 spinal regions | 123 | 30 | $31 |
In context: peer comparison
Among 1 peers in Central Islip Chiropractor, average services per provider: 222. This provider delivers 2.0× the peer median.Frequently asked questions
What is Dr. Gregory Krumholz's medical specialty?
Dr. Gregory Krumholz practices Chiropractor in Central Islip, NY.
Where does Dr. Gregory Krumholz practice?
Dr. Gregory Krumholz practices at 258 E Suffolk Ave, Central Islip, NY 117222634. Office phone: 6313486780.
What is Dr. Gregory Krumholz's NPI?
Dr. Gregory Krumholz's National Provider Identifier (NPI) is 1912072034, issued by NPPES.
Does Dr. Gregory Krumholz accept Medicare assignment?
Yes. Dr. Gregory Krumholz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Krumholz 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.