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Edit this profileAt a glance
- 18709 Meyers Rd., Detroit, MI 48235
About Dr. Barnwell
John M. Barnwell, M.D. is a healthcare provider in Detroit, MI specializing in surgery of the hand. John trained at Howard University College of Medicine, graduating in 1989. According to Medicare claims data, John cared for 164 Medicare patients across 221 services. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1831105550.
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
- (313) 864-8456
- Email not available
Practice Locations
18709 MEYERS RD.
Detroit, MI 48235
Conditions Commonly Evaluated or Treated
Within Hand Surgery 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
Arthritis & Joints
- Bone Spur on Finger
- Hand Arthritis
- Kienbock's Disease
- Stiff Fingers
- Hand and Wrist Arthritis
- Wrist sprain
Congenital
Fractures & Injuries
- Boxer's Fracture
- Broken Scaphoid Bone
- Dislocated Finger
- Black Toenail
- Hand and finger fractures
- Jammed Finger
- Severed Finger
- Torn Thumb Ligament
- Wrist Cartilage Tear
- Wrist fracture
Injuries
- Boxer's Knuckle
- Crushed Hand Injury
- Foreign Object in Hand
- Hand Compartment Syndrome
- Jersey Finger
- Sprained Finger
Lumps & Bumps
Lumps & Masses
Nails
Nerves
- Cut Nerve in Hand
- Hand Neuroma
- Hand Numbness and Tingling
- Hand Weakness
- Pinched Nerve in Wrist
- Wrist Drop
- Carpal tunnel
- Cubital tunnel syndrome
Tendons
- Intersection Syndrome
- Swan Neck Deformity
- De Quervain tenosynovitis
- Dupuytren's contracture
- Golfer's elbow
- Mallet Finger
- Tennis elbow
- Torn Hand Tendon
- Trigger finger
Circulation
Infections
Procedures & services
Bone surgery
Cyst & Lump Removal
Fracture Repair
Injections
Injections & Therapy
- Custom Hand Splinting
- Mallet Finger Splinting
- PRP Shot for Wrist or Elbow
- Hand therapy
- Tendon Sheath Injection
Joint surgery
Joint Surgery
- Finger Joint Fusion
- Finger Joint Replacement
- Thumb Arthritis Surgery
- Wrist Arthroscopy
- Wrist Cartilage Repair
- Wrist Fusion
- Thumb Ligament Repair
Minor procedures
Nail procedures
Nerve surgery
Orthopedics
Pain management
Spine & Orthopedics
Tendon surgery
Tendon Surgery
- Tendon Repair Surgery
- Tendon Transfer Surgery
- Thumb Tendon Release
- Dupuytren contracture surgery
- Tennis Elbow Surgery
- Trigger finger release
Trauma & Reconstruction
- Drainage of Finger Infection
- Extra Finger Removal
- Fingertip Reconstruction
- Severed Finger Reattachment
- Webbed Finger Separation
Wound repair
Nerve Surgery
Procedures Most Often Billed to Medicare
221 services · 164 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
53 | More often than most peers in Surgery of the Hand |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
49 | More often than most peers in Surgery of the Hand |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
47 | As often as other peers in Surgery of the Hand |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
40 | More often than most peers in Surgery of the Hand |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
32 | More often than most peers in Surgery of the Hand |
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.
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 surgery of the hands in Detroit 4
Same specialty, same city.
Trained at Howard University College of Medicine 4
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1989 at Howard University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is John M. Barnwell?
John M. Barnwell is a surgery of the hand in Detroit, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is John M. Barnwell's address?
John M. Barnwell is listed at 18709 Meyers Rd., Detroit, MI 48235. 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 M. Barnwell?
The number on file is (313) 864-8456. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John M. Barnwell's NPI number?
John M. Barnwell's National Provider Identifier is 1831105550. 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 M. Barnwell train?
John M. Barnwell attended Howard University College of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has John M. Barnwell been practicing?
John M. Barnwell has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does John M. Barnwell perform?
According to Medicare billing data, John M. Barnwell the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John M. Barnwell confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John M. Barnwell. If this is you, claiming it is free.
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