DR. GUILAN CHEN (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1437351798
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
406 PATHOLOGY in MO
Loading map...
Provider Addresses for DR. GUILAN CHEN (M.D.)
5700, Southwyck Boulevard, Southwyck, Toledo, Lucas County, Ohio, 43614, United States
TOLEDO, OH 436141509
Phone: (419) 866-1804
Fax: (419) 866-5453
Type: Mailing
Schwitalla Hall Saint Louis School of Medicine, 1402, South Grand Boulevard, Gate District, City of Saint Louis, Missouri, 63104, United States
SAINT LOUIS, MO 631041004
Phone: (314) 577-8782
Type: Location
901 MARSHALL ST
REDWOOD CITY, CA 940632026
Phone: (650) 299-2414
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $24.
Total Amount is formed as General ($24) + Research ($0) + Ownership ($0) = $24.
Last reported payment date: 2023-04-27 • Largest payer in this snapshot: Cepheid ($24).
Total Amount
$24
General + Research + Ownership
Payments
1
Total payment records
General Amount
$24
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Cepheid | $24 |
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: 2024-07-11
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 |
|---|---|---|---|---|
| I20240711003150 | I | Pathology | CA | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 43614)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | MO | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 223 | 160 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | DC | |
| Colorectal Surgery (Proctology), General Surgery | LA | |
| - | CA | |
| N E U R O S U R G E R Y | MA | |
| Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Emergency Medicine | CA | |
| - | MA | |
| Emergency Medicine | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.