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Edit this profileWhere to find Lan Chen, MD
- Lafayette location main office
280 Exempla Cir, Lafayette, CO 80026 - San Francisco location
1500 Owens St # 201, San Francisco, CA 94158
About Dr. Chen
Based in Lafayette, CO, Lan Chen, MD is listed in the NPI registry under orthopaedic surgery. Lan graduated from Columbia University College of Physicians and Surgeons in 2005. Lan is also listed as specializing in orthopaedic foot & ankle surgery. According to Medicare claims data, Lan cared for 189 Medicare patients across 220 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1821257148 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (303) 338-4545
- Email not available
Practice Locations
280 EXEMPLA CIR
Lafayette, CO 80026
1500 Owens St # 201
San Francisco, CA 94158
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
220 services · 189 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
94 | As often as other peers in Orthopaedic Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
56 | Less often than most peers in Orthopaedic Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
41 | As often as other peers in Orthopaedic Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
29 | As often as other peers in Orthopaedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopaedic surgeons at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 20 related providers in 3 groups
Other orthopaedic surgeons in Lafayette 5
Same specialty, same city.
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Columbia University College of Physicians and Surgeons 7
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Chen's specialty?
Dr. Chen is an orthopaedic surgeon in Lafayette, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Where can I find Dr. Chen?
Dr. Chen is listed at 280 Exempla Cir, Lafayette, CO 80026. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chen?
The number on file is (303) 338-4545. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Chen's NPI number?
Dr. Chen's National Provider Identifier is 1821257148. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Chen's medical education?
Dr. Chen attended Columbia University College of Physicians and Surgeons, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chen been practicing?
Dr. Chen has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chen known for?
According to Medicare billing data, Dr. Chen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.