DR. STEVEN M SPIEGEL (M.D.) – Nephrology Physician, NPI 1669538591
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
458 NEPHROLOGY in MA
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Provider Addresses for DR. STEVEN M SPIEGEL (M.D.)
MetroWest Medical Center: Leonard Morse Hospital, 67, Union Street, South Natick, Natick, Middlesex County, Massachusetts, 01760, United States
NATICK, MA 017607700
Phone: (508) 650-7890
Type: Location
15, Samuel Path, West Natick, Natick, Middlesex County, Massachusetts, 01770, United States
NATICK, MA 017604174
Phone: (508) 650-7890
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 24 Open Payments records for all available years, with a total value of $1,512.
Total Amount is formed as General ($1,512) + Research ($0) + Ownership ($0) = $1,512.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Fresenius USA Marketing, Inc. ($1,288).
Total Amount
$1,512
General + Research + Ownership
Payments
24
Total payment records
General Amount
$1,512
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Fresenius USA Marketing, Inc. | $1,288 |
| Travere Therapeutics, Inc. | $147 |
| Bayer Healthcare Pharmaceuticals Inc. | $34 |
| SCPHARMACEUTICALS INC. | $15 |
| Amgen Inc. | $15 |
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: 2009-01-13
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 |
|---|---|---|---|---|
| I20090113000265 | I | Nephrology | 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 |
|---|---|---|---|---|
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 696 | 85 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 554 | 361 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 177 | 85 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 121 | 53 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 119 | 107 | $0 |
Insurance plans in this area (ZIP 01760)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E P H R O L O G Y | MA | |
| Nephrology, Internal Medicine | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| Nephrology, Internal Medicine | MA | |
| Nephrology, Internal Medicine | MA | |
| N E P H R O L O G Y | MA | |
| Nephrology, Internal Medicine | MA | |
| N E P H R O L O G Y | MA |
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