Physician Profile
Unclaimed ProfileAbout GREENGRASS
Roy Greengrass, MD practices anesthesiology in Jacksonville, FL. Medicare claims data shows Roy provided 300 services to 300 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (904) 953-2000
- Email not available
Practice Locations
4500 SAN PABLO RD S
Jacksonville, FL 32224
Procedures Most Often Billed to Medicare
300 services · 300 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of anesthetic agent into thoracic vertebra using imaging guidance, single site | Procedure | 64461 |
47 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
29 |
| Injection of anesthetic agent into thoracic vertebra using imaging guidance, additional sites | Procedure | 64462 |
26 |
| Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter | Procedure | 64448 |
15 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | Procedure | 64415 |
14 |
| Injection of anesthetic agent and/or steroid into other nerve or branch | Procedure | 64450 |
11 |
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
45 |
| Anesthesia for total hip replacement | Anaesthesia | 01214 |
35 |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
15 |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anesthesiology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other anesthesiology specialists in Jacksonville 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1973 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of anesthetic agent into thoracic vertebra using imaging guidance, single site 8
Providers in FL who bill this service to Medicare most often.
Common questions
What is Dr. Greengrass's specialty?
Dr. Greengrass is an anesthesiology in Jacksonville, FL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
Where can I find Dr. Greengrass?
Dr. Greengrass is listed at 4500 SAN PABLO RD S, Jacksonville, FL 32224. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Greengrass?
The number on file is (904) 953-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Greengrass?
Dr. Greengrass's National Provider Identifier is 1699762989. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Greengrass's medical education?
Dr. Greengrass attended Other, graduating in 1973. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Greengrass have?
Dr. Greengrass has 53 years experience. Calculated from a graduation year of 1973, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Greengrass known for?
According to Medicare billing data, Dr. Greengrass performs procedures including injection of anesthetic agent into thoracic vertebra using imaging guidance, single site, injection of anesthetic agent and/or steroid into thigh nerve and injection of anesthetic agent into thoracic vertebra using imaging guidance, additional sites; reads or performs imaging such as ultrasonic guidance for needle placement; provides treatments such as anesthesia for procedure for total knee joint replacement and anesthesia for total hip replacement. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Greengrass's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greengrass. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.