Physician Profile
Unclaimed ProfileAbout KERWIN
Marla Blair Kerwin, D.O. is a healthcare provider in Detroit, MI specialising in anesthesiology. Marla is also listed as specialising in student in an organized health care education program.
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
Common questions
What kind of doctor is Dr. Kerwin?
Dr. Kerwin is an anesthesiology in Detroit, MI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
What is Dr. Kerwin's address?
Dr. Kerwin is listed at 3990 JOHN R ST BOX 162, Detroit, MI 48201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Kerwin?
The number on file is (313) 745-7233. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Kerwin's NPI number?
Dr. Kerwin's National Provider Identifier is 1962862508. 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. Kerwin train?
Dr. Kerwin attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Kerwin been practising?
Dr. Kerwin has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Kerwin perform?
According to Medicare billing data, Dr. Kerwin provides treatments such as anesthesia for retinal surgery and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Kerwin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kerwin. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (313) 745-7233
- Email not available
Practice Locations
3990 JOHN R ST BOX 162
Detroit, MI 48201
Procedures Most Often Billed to Medicare
73 services · 73 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anesthesia for retinal surgery | Anaesthesia | 00145 |
47 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
14 |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 4
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 — 30 related providers in 4 groups
Other anesthesiology specialists in Detroit 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Anesthesia for retinal surgery 8
Providers in MI who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.