JAMES ALLAN KARLSON (MD) – Sports Medicine (Orthopaedic Surgery) Physician, NPI 1114915261
Sports Medicine (Orthopaedic Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
947 ORTHOPEDIC SURGERY in MA
Provider Addresses for JAMES ALLAN KARLSON (MD)
20 Guest St Ste 225
Brighton, MA 021352065
Phone: (617) 738-8642
Fax: (617) 202-4172
Type: Location
Guest Street, Brighton, Boston, Suffolk County, Massachusetts, 02135, United States
BRIGHTON, MA 021352065
Phone: (617) 738-8642
Fax: (617) 202-4172
Type: Mailing
300, Mount Auburn Street, Old Cambridge, Cambridge, Middlesex County, Massachusetts, 02138, United States
SUITE 505
CAMBRIDGE, MA 021385600
Phone: (617) 491-6766
Fax: (617) 491-2552
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $194.
Total Amount is formed as General ($194) + Research ($0) + Ownership ($0) = $194.
Last reported payment date: 2024-08-19 • Largest payer in this snapshot: Smith+Nephew, Inc. ($137).
Total Amount
$194
General + Research + Ownership
Payments
3
Total payment records
General Amount
$194
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Smith+Nephew, Inc. | $137 |
| Stryker Corporation | $29 |
| Bioventus LLC | $28 |
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: 2004-04-15
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 |
|---|---|---|---|---|
| I20040415000400 | 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 |
|---|---|---|---|---|
| J0702 | Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 1,224 | 207 | $0 |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 464 | 41 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 404 | 245 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 280 | 247 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 203 | 127 | $0 |
Insurance plans in this area (ZIP 02135)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | MA | |
| Orthopedic Surgery | MA | |
| Pain Management | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| Orthopedic Surgery | MA | |
| Physical Medicine And Rehabilitation, Orthopedic Surgery | MA | |
| Hand Surgery, Orthopedic Surgery | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA |
Reviews
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