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- 4500 San Pablo Rd S, Jacksonville, FL 32224
About Dr. Greengrass
Roy Greengrass, MD practices anesthesiology in Jacksonville, FL. Medicare claims data shows Roy provided 300 services to 300 patients. The services billed most often include injection of anesthetic agent into thoracic vertebra using imaging guidance, single site, anesthesia for procedure for total knee joint replacement, and anesthesia for total hip replacement. The provider's National Provider Identifier (NPI) is 1699762989.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (904) 953-2000
- Email not available
Practice Locations
4500 SAN PABLO RD S
Jacksonville, FL 32224
Conditions Commonly Evaluated or Treated
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Anesthesia complications
Back & spine
- Arthritis of the spine
- Degenerative disc disease
- Failed back surgery syndrome
- Herniated disc
- Lower back pain
- Neck pain
- Sacroiliac joint pain
- Spinal compression fracture
- Spinal stenosis
- Spondylolisthesis
- Tailbone pain
- Upper Back Pain
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
- Abdominal wall nerve pain
- Complex Regional Pain Syndrome
- Foot Numbness and Tingling
- Groin nerve pain after hernia surgery
- Nerve damage after surgery
- Neuropathy
- Outer thigh burning and numbness
- Phantom limb pain
- Pinched nerve
- Piriformis syndrome
- Sciatica
- Shingles pain
- Tarsal Tunnel Syndrome
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Procedures & services
Ablation
Head & facial procedures
Implants & devices
- Pain pump implant
- Pain pump refill and check
- Peripheral nerve stimulator implant
- Spinal cord stimulator implant
- Spinal cord stimulator trial
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
- Abdominal Nerve Block
- Celiac Plexus Nerve Block
- Ganglion impar block
- Groin nerve block
- Pudendal nerve block
- Superior hypogastric plexus block
Nerve injections
- Celiac plexus block
- Lumbar sympathetic block
- Nerve block
- Rib nerve block
- Shoulder nerve block
- Stellate ganglion block
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
- General anesthesia
- Labor epidural
- Moderate dental sedation
- Pre-surgery anesthesia consult
- Sedation for dental work
- Spinal spinal block
Spine injections
- Epidural steroid injection
- Facet joint injection
- Medial branch block
- Sacroiliac joint injection
- Tailbone epidural injection
Spine procedures
Procedures Most Often Billed to Medicare
300 services · 300 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of anesthetic agent into thoracic vertebra using imaging guidance, single site | Procedure | 64461 |
47 | More often than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
29 | More often than most peers in Anesthesiology |
| Injection of anesthetic agent into thoracic vertebra using imaging guidance, additional sites | Procedure | 64462 |
26 | More often than most peers in Anesthesiology |
| Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter | Procedure | 64448 |
15 | As often as other peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | Procedure | 64415 |
14 | Less often than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into other nerve or branch | Procedure | 64450 |
11 | Less often than most peers in Anesthesiology |
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
45 | More than most peers in Anesthesiology |
| Anesthesia for total hip replacement | Anaesthesia | 01214 |
35 | More than most peers in Anesthesiology |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
15 | Less often than most peers in Anesthesiology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
14 | Less often than most peers in Anesthesiology |
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 anesthesiologists 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 anesthesiologists 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 anesthesiologist in Jacksonville, FL. That is the designation recorded for this NPI in the federal registry, where it is listed 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. Contact the office directly to confirm availability and scheduling.
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.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.