KATHRYN STIFF (NP) – Family Nurse Practitioner, NPI 1134490188
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,261 NURSE PRACTITIONER in WA
Provider Addresses for KATHRYN STIFF (NP)
375 BOYLSTON ST
BROOKLINE, MA 024456007
Phone: (857) 307-0896
Fax: (857) 307-0899
Type: Mailing
325 9TH AVE
SEATTLE, WA 981042420
Phone: (206) 520-5000
Type: Location
55 FRUIT ST
BOSTON, MA 021142621
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 13 Open Payments records for all available years, with a total value of $3,567.
Total Amount is formed as General ($3,567) + Research ($0) + Ownership ($0) = $3,567.
Last reported payment date: 2024-11-22 • Largest payer in this snapshot: Janssen Biotech, Inc. ($3,360).
Total Amount
$3,567
General + Research + Ownership
Payments
13
Total payment records
General Amount
$3,567
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $3,360 |
| ABBVIE INC. | $128 |
| GENZYME CORPORATION | $39 |
| Novo Nordisk Inc | $21 |
| PFIZER INC. | $19 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-02-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20200206001568 | I | Nurse Practitioner | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 34 | 33 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 19 | 19 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 02445)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MA | |
| E N D O C R I N O L O G Y | MA | |
| Nurse Practitioner | VA | |
| Internal Medicine | MA | |
| Internal Medicine | MA | |
| - | MA | |
| Internal Medicine, Hematology/Oncology | MA | |
| Internal Medicine | MA | |
| Internal Medicine | MA | |
| Internal Medicine, Nephrology | MA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.