MS. MAREN M CHAN (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1881772283
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,394 PATHOLOGY in TX
Provider Addresses for MS. MAREN M CHAN (M.D.)
9225 MARYMONT PARK
SAN ANTONIO, TX 78217
Phone: (617) 319-6667
Type: Mailing
8534 VILLAGE DR
SAN ANTONIO, TX 782175501
Phone: (617) 319-6667
Type: Location
1122, Austin Highway, San Antonio, Bexar County, Texas, 78209, United States
SAN ANTONIO, TX 782094844
Phone: (210) 342-6488
Fax: (210) 342-6725
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2014-02-10
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 |
|---|---|---|---|---|
| I20140210000471 | I | Pathology | TX | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 6,616 | 2,966 | $0 |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | 291 | 210 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 226 | 204 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 219 | 193 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 120 | 30 | $0 |
Insurance plans in this area (ZIP 78217)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | TX | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 394 | 347 |
| PATHOLOGY | TX | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 319 | 239 |
| PATHOLOGY | TX | 88342 | Tissue or cell analysis by immunologic technique | 361 | 330 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| D E R M A T O L O G Y | TX |
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.