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Edit this profileAt a glance
- 3001 S Hanover St, Baltimore, MD 21225
About Dr. Flaks
John Flaks, D.O. practices anesthesiology in Baltimore, MD. John is a 2000 graduate of Philadelphia College of Osteopathic Medicine. Medicare claims data shows John provided 104 services to 104 patients. The services billed most often include anesthesia for other procedure on top of arm bone and shoulder joint, injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve), and injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus). The provider's National Provider Identifier (NPI) is 1366424939.
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
- (410) 350-3341
- Email not available
Practice Locations
3001 S HANOVER ST
Baltimore, MD 21225
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
104 services · 104 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
17 | As often as other peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | Procedure | 64415 |
15 | As often as other peers in Anesthesiology |
| Other procedure on nervous system | Procedure | 64999 |
11 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on top of arm bone and shoulder joint | Anaesthesia | 01630 |
20 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | Anaesthesia | 01480 |
15 | As often as other peers in Anesthesiology |
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
13 | Less often than most peers in Anesthesiology |
| Anesthesia for retinal surgery | Anaesthesia | 00145 |
13 | 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 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 32 related providers in 4 groups
Other anesthesiologists in Baltimore 8
Same specialty, same city.
Trained at Philadelphia College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Philadelphia College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 8
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is John Flaks?
John Flaks is an anesthesiologist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
What is John Flaks's address?
John Flaks is listed at 3001 S Hanover St, Baltimore, MD 21225. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John Flaks?
The number on file is (410) 350-3341. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John Flaks?
John Flaks's National Provider Identifier is 1366424939. 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
Where did John Flaks train?
John Flaks attended Philadelphia College of Osteopathic Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John Flaks have?
John Flaks has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does John Flaks perform?
According to Medicare billing data, John Flaks performs procedures including injection of anesthetic agent and/or steroid into thigh nerve, injection of anesthetic agent and/or steroid into arm nerve bundle and other procedure on nervous system; provides treatments such as anesthesia for other procedure on top of arm bone and shoulder joint and anesthesia for other procedure on lower leg, ankle, and foot bones. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John Flaks's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John Flaks. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.