Physician Profile
Crystal P. Koerner, M.D.
Unclaimed ProfileAbout Dr. Koerner
Based in Seattle, WA, Crystal P. Koerner, M.D. is listed in the NPI registry under colon & rectal surgery. Crystal graduated from Florida State University College of Medicine in 2015. Medicare claims data shows Crystal provided 110 services to 99 patients. The services billed most often include diagnostic exam of anus using an endoscope, biopsy of large bowel using a flexible endoscope, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more.
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
- (206) 386-6600
- Email not available
Practice Locations
1101 MADISON ST STE 500
Seattle, WA 98104
Procedures Most Often Billed to Medicare
110 services · 99 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
31 | As often as other peers in Colon & Rectal Surgery |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
23 | As often as other peers in Colon & Rectal Surgery |
| Injection of agent into vein to assess blood flow of skin graft or flap | Procedure | 15860 |
14 | Less often than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
22 | As often as other peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
20 | Less often than most peers in Colon & Rectal Surgery |
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.
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.
Other colorectal surgeons in Seattle 8
Same specialty, same city.
More connections — 18 related providers in 3 groups
Trained at Florida State University College of Medicine 2
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Florida State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 8
Providers in WA who bill this service to Medicare most often.
Common questions
What kind of doctor is Crystal P. Koerner?
Crystal P. Koerner is a colorectal surgeon in Seattle, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
What is Crystal P. Koerner's address?
Crystal P. Koerner is listed at 1101 Madison St Ste 500, Seattle, WA 98104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Crystal P. Koerner?
The number on file is (206) 386-6600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Crystal P. Koerner?
Crystal P. Koerner's National Provider Identifier is 1235524703. 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 Crystal P. Koerner train?
Crystal P. Koerner attended Florida State University College of Medicine, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Crystal P. Koerner have?
Crystal P. Koerner has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What procedures does Crystal P. Koerner perform?
According to Medicare billing data, Crystal P. Koerner performs procedures including diagnostic exam of anus using an endoscope, biopsy of large bowel using a flexible endoscope and injection of agent into vein to assess blood flow of skin graft or flap, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Crystal P. Koerner's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Crystal P. Koerner. 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.