DR. LAN CHEN (MD) – Orthopaedic Surgery Physician, NPI 1821257148
Orthopaedic Surgery Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
747 ORTHOPEDIC SURGERY in CO
Provider Addresses for DR. LAN CHEN (MD)
10350 E DAKOTA AVE
DENVER, CO 802471314
Phone:
Type: Mailing
280 EXEMPLA CIR
LAFAYETTE, CO 800263370
Phone: (303) 338-4545
Type: Location
Gross Point Road, Skokie, Niles Township, Cook County, Illinois, 60201, United States
SKOKIE, IL 600761214
Phone: (847) 866-7846
Fax: (224) 251-2905
Type: Mailing
1500 Owens St # 201
San Francisco, CA 941582334
Phone: (415) 353-9400
Type: Location
Owens Street, Dogpatch, San Francisco, California, 41907, United States
SAN FRANCISCO, CA 941582334
Phone: (415) 353-9400
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $583.
Total Amount is formed as General ($583) + Research ($0) + Ownership ($0) = $583.
Last reported payment date: 2024-09-13 • Largest payer in this snapshot: TRICE MEDICAL, INC. ($196).
Total Amount
$583
General + Research + Ownership
Payments
6
Total payment records
General Amount
$583
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| TRICE MEDICAL, INC. | $196 |
| Stryker Corporation | $184 |
| Evolution Surgical, Inc | $177 |
| Paragon 28, Inc. | $26 |
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: 2024-10-21
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 |
|---|---|---|---|---|
| I20200715001757 | I | Orthopedic Surgery | CA | TBD |
| I20241021000617 | I | Orthopedic Surgery | CO | 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 | 130 | 104 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 114 | 84 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 75 | 75 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 41 | 30 | $0 |
| 29405 | Application of short leg cast | 22 | 12 | $0 |
Insurance plans in this area (ZIP 80247)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CO | |
| - | CO | |
| Physical Therapist In Private Practice | CO | |
| - | CO | |
| - | CO | |
| - | CO | |
| Cardiovascular Disease (Cardiology) | CO | |
| Physical Therapist In Private Practice | CO | |
| Physical Therapist In Private Practice | CO | |
| Family Practice | CO |
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