DANIEL M II ESTOK (MD) – Orthopaedic Surgery Physician, NPI 1366468464
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
947 ORTHOPEDIC SURGERY in MA
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Provider Addresses for DANIEL M II ESTOK (MD)
Cypress Street, Brookline, Norfolk County, Massachusetts, 02445, United States
BRIGHAM AND WOMENS PHYSICIANS ORGANIZATION
BROOKLINE, MA 02445
Phone: (857) 307-0896
Type: Mailing
Brigham and Women's Hospital, 75, Francis Street, Roxbury, Boston, Suffolk County, Massachusetts, 02115, United States
BRIGHAM AND WOMENS HOSPITAL DEPT OF ORTHOPEDIC SURGERY
BOSTON, MA 02115
Phone: (617) 732-6650
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 26 Open Payments records for all available years, with a total value of $20,291.
Total Amount is formed as General ($20,291) + Research ($0) + Ownership ($0) = $20,291.
Last reported payment date: 2024-10-22 • Largest payer in this snapshot: Zimmer Biomet Holdings, Inc. ($20,291).
Total Amount
$20,291
General + Research + Ownership
Payments
26
Total payment records
General Amount
$20,291
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Zimmer Biomet Holdings, Inc. | $20,291 |
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: 2005-04-11
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 |
|---|---|---|---|---|
| I20050411001161 | I | Orthopedic Surgery | 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 | 373 | 292 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 66 | 66 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 59 | 59 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 55 | 52 | $0 |
| 27447 | Replacement of knee joint, both sides of knee | 24 | 23 | $0 |
Insurance plans in this area (ZIP 02445)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ORTHOPEDIC SURGERY | MA | 20610 | Aspiration and/or injection of large joint or joint capsule | 15 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MA | |
| Internal Medicine | VA | |
| Family Practice | GA | |
| Orthopedic Surgery | IL | |
| - | NC | |
| - | TX | |
| Internal Medicine | MA | |
| Family Practice | OR | |
| Nurse Practitioner | WA | |
| Internal Medicine | MA |
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