JOHN W. WINKELMAN (PHD/MD) – Sleep Medicine (Psychiatry & Neurology) Physician, NPI 1619950045
Sleep Medicine (Psychiatry & Neurology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,743 PSYCHIATRY in MA
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Provider Addresses for JOHN W. WINKELMAN (PHD/MD)
221 Longwood, 221, Longwood Avenue, Roxbury, Boston, Suffolk County, Massachusetts, 02120, United States
BOSTON, MA 021155804
Phone: (781) 929-3454
Type: Location
12, Field Road, Lexington, Middlesex County, Massachusetts, 20421, United States
LEXINGTON, MA 024218015
Phone: (781) 929-3454
Type: Mailing
55 FRUIT ST
BOSTON, MA 021142621
Phone: (617) 724-7426
Type: Location
12 Field Rd
Lexington, MA 024218015
Phone: (781) 929-3454
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $64,121.
Total Amount is formed as General ($64,121) + Research ($0) + Ownership ($0) = $64,121.
Last reported payment date: 2024-12-02 • Largest payer in this snapshot: Azurity Pharmaceuticals, Inc. ($34,787).
Total Amount
$64,121
General + Research + Ownership
Payments
16
Total payment records
General Amount
$64,121
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Azurity Pharmaceuticals, Inc. | $34,787 |
| IDORSIA PHARMACEUTICALS US INC | $25,088 |
| Genentech, Inc. | $4,230 |
| Axsome Therapeutics, Inc. | $17 |
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: 2008-08-26
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 |
|---|---|---|---|---|
| I20080826000451 | I | Psychiatry | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 172 | 120 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 168 | 117 | $0 |
| 95810 | Sleep study in sleep lab (6 years or older) | 69 | 69 | $0 |
| 95811 | Sleep study in sleep lab with continuous airway pressure (6 years or older) | 64 | 61 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 61 | 49 | $0 |
Insurance plans in this area (ZIP 02115)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | MA | |
| Diagnostic Radiology | MA | |
| Nephrology, Internal Medicine | MA | |
| Nurse Practitioner | MA | |
| P A T H O L O G Y | NY | |
| P A T H O L O G Y | MA | |
| P S Y C H I A T R Y | MA | |
| Cardiac Electrophysiology, Internal Medicine, Cardiovascular Disease (Cardiology) | MA | |
| H E M A T O L O G Y/ O N C O L O G Y | MA | |
| N E U R O L O G Y | MA |
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