MR. SIMON C MATHEWS (MD) – Gastroenterology Physician, NPI 1689815656
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
496 GASTROENTEROLOGY in MD
Provider Addresses for MR. SIMON C MATHEWS (MD)
600 N Wolfe St
Baltimore, MD 212870005
Phone: (410) 955-7911
Type: Location
601 MEMORY LN
YORK, PA 174022231
Phone: (717) 851-1405
Type: Mailing
37 N 5TH ST
GETTYSBURG, PA 173252004
Phone: (717) 339-3125
Fax: (717) 334-3125
Type: Location
600, North Wolfe Street, Washington Hill, Baltimore, Maryland, 21205, United States
BALTIMORE, MD 212870005
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $2,250.
Total Amount is formed as General ($2,250) + Research ($0) + Ownership ($0) = $2,250.
Last reported payment date: 2023-03-26 • Largest payer in this snapshot: ROCHE MOLECULAR SYSTEMS, INC. ($2,250).
Total Amount
$2,250
General + Research + Ownership
Payments
1
Total payment records
General Amount
$2,250
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ROCHE MOLECULAR SYSTEMS, INC. | $2,250 |
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: 2023-11-09
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 |
|---|---|---|---|---|
| I20231109000520 | I | Gastroenterology | PA | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 66 | 61 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 53 | 51 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $0 |
Insurance plans in this area (ZIP 21287)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MD | |
| O T O L A R Y N G O L O G Y | TX | |
| Clinical Psychologist | MD | |
| Physician Assistant | MD | |
| Physician Assistant | MD | |
| O P H T H A L M O L O G Y | MD | |
| Pulmonary Disease, Internal Medicine | MD | |
| A N E S T H E S I O L O G Y | MD | |
| - | MD | |
| Emergency Medicine, Internal Medicine | MD |
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