STEPHEN A ALSDORF (M.D) – Family Medicine Physician, NPI 1952358749
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,899 FAMILY PRACTICE in MA
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Provider Addresses for STEPHEN A ALSDORF (M.D)
Great Barrington, Berkshire County, Massachusetts, United States
GREAT BARRINGTON, MA 01230
Phone: (413) 528-9311
Fax: (413) 644-0274
Type: Mailing
444, Stockbridge Road, Great Barrington, Berkshire County, Massachusetts, 01230, United States
GREAT BARRINGTON, MA 01230
Phone: (413) 528-8580
Fax: (413) 528-8583
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2005-12-15
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 |
|---|---|---|---|---|
| I20051215000382 | I | Family Practice | 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 |
|---|---|---|---|---|
| 90480 | Admn sarscov2 vacc 1 dose | 39 | 39 | $0 |
| 93005 | Routine electrocardiogram (ecg) using at least 12 leads with tracing | 23 | 23 | $0 |
| 83036 | Hemoglobin a1c level | 22 | 19 | $0 |
| 81003 | Automated urinalysis test | 14 | 13 | $0 |
| 87635 | Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 12 | 12 | $0 |
Insurance plans in this area (ZIP 01230)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | MA | 85610 | Blood test, clotting time | 108 | 31 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | OR | |
| - | MA | |
| Family Practice | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| Internal Medicine | MA | |
| Family Practice | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| Nurse Practitioner | MA |
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