Provider Profile
Lyne A. Schaefer Alfonse, ARNP is a nurse practitioner practicing in Seattle, WA. According to Medicare claims data, Lyne cared for 267 Medicare patients across 10,499 services. The services billed most often include injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered), injection, denosumab, 1 mg, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 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 — free, and no identity document with a practice or institutional email.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1229 MADISON ST STE 1450
Seattle, WA 98104
10,499 services · 267 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
83 | More often than most peers in Nurse Practitioner |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
71 | More often than most peers in Nurse Practitioner |
| Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0717 |
8,400 | Less often than most peers in Nurse Practitioner |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,680 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
160 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
70 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
35 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Lyne A. Schaefer Alfonse is a nurse practitioner in Seattle, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Lyne A. Schaefer Alfonse is listed at 1229 Madison St Ste 1450, Seattle, WA 98104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (206) 844-6001. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Lyne A. Schaefer Alfonse's National Provider Identifier is 1619907110. 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
Lyne A. Schaefer Alfonse attended Other, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
Lyne A. Schaefer Alfonse has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Lyne A. Schaefer Alfonse provides treatments such as injection of drug or substance under skin or into muscle and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Lyne A. Schaefer Alfonse. 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.