Physician Profile
John Cregan, MD
Unclaimed ProfileAbout Dr. Cregan
Based in Englewood, CO, John Cregan, MD is listed in the NPI registry under anesthesiology. John graduated from University of Minnesota Medical School in 1994. According to Medicare claims data, John cared for 229 Medicare patients across 229 services. The services billed most often include injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus), anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand, and anesthesia for other procedure on top of arm bone and shoulder joint.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (303) 761-5646
- Email not available
Practice Locations
333 W HAMPDEN AVE SUITE 600
Englewood, CO 80110
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
- Anesthesia Allergy or Reaction
- Fear of Waking Up During Surgery
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
- Chest Wall Pain After Surgery
Facial & jaw pain
- Temporomandibular joint disorder
- Throat nerve pain
General pain
- Cancer pain
- Chronic pain
- Fibromyalgia
- Severe post-op pain
Head & facial pain
- Chronic migraines
- Occipital neuralgia
- Spinal headache
- Trigeminal neuralgia
Headaches
- Cluster Headaches
Joint pain
- Hip Replacement Pain
- Knee pain
- Lateral hip pain and trochanteric bursitis
- Shoulder Pain
Mental health
- Trauma
- Treatment-resistant depression
Muscle pain
- Muscle knots and spasms
Musculoskeletal pain
- Rib 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
- Chronic pelvic pain
- Pudendal nerve pain
Post-surgery recovery
- Hoarseness and throat pain after surgery
- Nausea After Surgery
Sedation & anesthesia
- Anesthesia anxiety
- History of anesthesia complications
Spine pain
- Torn spinal disc
- Whiplash neck injury
Procedures & services
Ablation
- Hip radiofrequency ablation
Head & facial procedures
- Botox for chronic migraines
- Facial nerve block for headache
- Occipital nerve block
Implants & devices
- Pain pump implant
- Pain pump refill and check
- Peripheral nerve stimulator implant
- Spinal cord stimulator implant
- Spinal cord stimulator trial
Infusion therapies
- Ketamine infusion therapy
Infusion therapy
- Lidocaine Infusion for Chronic Pain
Joint injections
- Joint injection or aspiration
- Ultrasound-guided hip injection
Muscle injections
- Trigger-point injection
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
- Knee nerve block and ablation
- Peripheral nerve hydrodissection
- Radiofrequency ablation
Pain relief procedures
- Cryoneurolysis
Regional anesthesia
- Adductor canal block
- Brachial plexus block
- Popliteal nerve block
Sedation
- IV sedation for endoscopy
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
- Blood patch for spinal headache
- Epidural Lysis Of Adhesions
- Interspinous Spacer
- Kyphoplasty
- Mild procedure for spinal stenosis
- Percutaneous disc decompression
- Spinal bone nerve ablation
- Vertebroplasty
Procedures Most Often Billed to Medicare
229 services · 229 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | Procedure | 64415 |
54 | More than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
17 | As often as other peers in Anesthesiology |
| Other procedure on nervous system | Procedure | 64999 |
16 | As often as other peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into upper arm and shoulder nerve (axillary nerve) | Procedure | 64417 |
11 | Less often than most peers in Anesthesiology |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | Anaesthesia | 01810 |
29 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on top of arm bone and shoulder joint | Anaesthesia | 01630 |
23 | More often than most peers in Anesthesiology |
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
21 | As often as other peers in Anesthesiology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
15 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on forearm, wrist, or hand bones | Anaesthesia | 01830 |
15 | As often as other peers in Anesthesiology |
| Anesthesia for open or endoscopic total shoulder joint replacement | Anaesthesia | 01638 |
15 | As often as other 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 8
Same specialty, same street address — most likely the same department or group.
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.
Other anesthesiologists in Englewood 4
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Minnesota Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at University of Minnesota Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 7
Providers in CO who bill this service to Medicare most often.
Common questions
What does Dr. Cregan specialize in?
Dr. Cregan is an anesthesiologist in Englewood, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where is Dr. Cregan located?
Dr. Cregan is listed at 333 W Hampden Ave Suite 600, Englewood, CO 80110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Cregan's phone number?
The number on file is (303) 761-5646. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Cregan's NPI number?
Dr. Cregan's National Provider Identifier is 1770505042. 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 Dr. Cregan go to medical school?
Dr. Cregan attended University of Minnesota Medical School, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Cregan been practicing?
Dr. Cregan has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Cregan do most often?
According to Medicare billing data, Dr. Cregan performs procedures including injection of anesthetic agent and/or steroid into arm nerve bundle, injection of anesthetic agent and/or steroid into thigh nerve and other procedure on nervous system; reads or performs imaging such as ultrasonic guidance for needle placement; provides treatments such as anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand and anesthesia for other procedure on top of arm bone and shoulder joint. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Cregan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cregan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.