MARGARET BLATTNER (MD, PHD) – Sleep Medicine (Psychiatry & Neurology) Physician, NPI 1619358371
Sleep Medicine (Psychiatry & Neurology) Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
129 SLEEP MEDICINE in MA
Provider Addresses for MARGARET BLATTNER (MD, PHD)
330 BROOKLINE AVE
BOSTON, MA 022155400
Phone: (617) 667-7000
Type: Mailing
PO BOX 860912
MINNEAPOLIS, MN 554860912
Phone: (507) 284-2511
Type: Mailing
200 1ST ST SW
ROCHESTER, MN 559050001
Phone: (507) 284-2511
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: 2025-11-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20200804001996 | I | Neurology | MA | TBD |
| I20251128000142 | I | Sleep Medicine | MN | 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 |
|---|---|---|---|---|
| 95800 | Sleep study including heart rate, breathing, and sleep time | 93 | 92 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 49 | 37 | $0 |
| 95810 | Sleep study in sleep lab (6 years or older) | 30 | 30 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 27 | 24 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 19 | 15 | $0 |
Insurance plans in this area (ZIP 02215)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| Emergency Medicine | NC |
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