MARK BROWN (MD) – Internal Medicine Physician, NPI 1467491050
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
9,967 INTERNAL MEDICINE in PA
Provider Addresses for MARK BROWN (MD)
826 MAIN ST
SUITE 100
PHOENIXVILLE, PA 194604478
Phone: (610) 933-8484
Fax: (610) 917-0320
Type: Location
824, South Main Street, Phoenixville, Chester County, Pennsylvania, 19460, United States
SUITE 100
PHOENIXVILLE, PA 194604478
Phone: (610) 933-8484
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 $112.
Total Amount is formed as General ($112) + Research ($0) + Ownership ($0) = $112.
Last reported payment date: 2024-11-06 • Largest payer in this snapshot: Amgen Inc. ($112).
Total Amount
$112
General + Research + Ownership
Payments
1
Total payment records
General Amount
$112
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $112 |
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: 2011-12-22
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 |
|---|---|---|---|---|
| I20111222000064 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 473 | 346 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 359 | 359 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 96 | 93 | $0 |
| G0008 | Administration of influenza virus vaccine | 45 | 45 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 39 | 39 | $0 |
Insurance plans in this area (ZIP 19460)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | PA | 90670 | Pneumococcal vaccine for injection into muscle | 71 | 71 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | PA | |
| Internal Medicine | PA | |
| Nurse Practitioner | PA | |
| Family Practice | PA | |
| E N D O C R I N O L O G Y | PA | |
| Internal Medicine | PA | |
| Internal Medicine | PA | |
| Internal Medicine | PA | |
| Internal Medicine, Geriatric Medicine | PA | |
| Internal Medicine, Pediatric Medicine | PA |
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.