Provider Profile
Stefanie Koelewyn, PA-C
Unclaimed ProfileAbout Stefanie Koelewyn
Stefanie Koelewyn, PA-C is a physician assistant based in Bellingham, MA. Medicare claims data shows Stefanie provided 195 services to 193 patients. The services billed most often include new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and emergency department visit with high level of medical decision making. The provider's National Provider Identifier (NPI) is 1811617897.
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
- (774) 295-4355
- Email not available
Practice Locations
245 HARTFORD AVE
Bellingham, MA 02019
Procedures Most Often Billed to Medicare
195 services · 193 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected | 0241U |
14 | Less often than most peers in Physician Assistant | |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
71 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
26 | Less often than most peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
25 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
25 | As often as other peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
21 | As often as other peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
13 | Less often than most peers in Physician Assistant |
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 physician assistants at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Stefanie Koelewyn specialize in?
Stefanie Koelewyn is a physician assistant in Bellingham, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Stefanie Koelewyn located?
Stefanie Koelewyn is listed at 245 Hartford Ave, Bellingham, MA 02019. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Stefanie Koelewyn's phone number?
The number on file is (774) 295-4355. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Stefanie Koelewyn?
Stefanie Koelewyn's National Provider Identifier is 1811617897. 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 Stefanie Koelewyn train?
Stefanie Koelewyn attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Stefanie Koelewyn have?
Stefanie Koelewyn has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What does Stefanie Koelewyn do most often?
According to Medicare billing data, Stefanie Koelewyn 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
Is Stefanie Koelewyn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Stefanie Koelewyn. If this is you, claiming it is free.
Guide.md
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