MS. SHARON MARIE ALKERSTEDT (MSN FNP-C) – Family Nurse Practitioner, NPI 1346893807
Family Nurse Practitioner
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
4,196 NURSE PRACTITIONER in CT
Provider Addresses for MS. SHARON MARIE ALKERSTEDT (MSN FNP-C)
2200 Whitney Ave Ste 290
Hamden, CT 065183695
Phone: (203) 903-8308
Type: Location
Bedford Street, Northfield, Stamford, Fairfield County, Connecticut, 06905, United States
STAMFORD, CT 069053972
Phone:
Type: Mailing
16, Myano Lane, Stamford, Fairfield County, Connecticut, 06902, United States
STAMFORD, CT 069024532
Phone: (203) 674-1102
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $145.
Total Amount is formed as General ($145) + Research ($0) + Ownership ($0) = $145.
Last reported payment date: 2023-10-04 • Largest payer in this snapshot: Gilead Sciences, Inc. ($145).
Total Amount
$145
General + Research + Ownership
Payments
2
Total payment records
General Amount
$145
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Gilead Sciences, Inc. | $145 |
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: 2020-11-18
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 |
|---|---|---|---|---|
| I20201118002564 | I | Nurse Practitioner | CT | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 06518)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Clinical Nurse Specialist (Cns) | CT | |
| Nurse Practitioner | NY | |
| Nurse Practitioner | CT | |
| Family Practice | CT | |
| Pediatric Medicine, Infectious Disease | CT | |
| Nurse Practitioner | CT | |
| Pediatric Medicine, Internal Medicine | CT | |
| Nurse Practitioner | CT |
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