DR. MARK JAY MULLEN (MD) – Internal Medicine Physician, NPI 1679581870
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
9,967 INTERNAL MEDICINE in PA
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Provider Addresses for DR. MARK JAY MULLEN (MD)
PO BOX 8500 # 4081
PHILA, PA 191784081
Phone: (215) 856-1010
Type: Mailing
1648 HUNTINGDON PIKE
MEDICAL STAFF OFFICE 1ST FLR
MEADOWBROOK, PA 190468001
Phone: (215) 938-3450
Fax: (215) 938-3829
Type: Mailing
23, Bustleton Pike, Feasterville-Trevose, Lower Southampton Township, Bucks County, Pennsylvania, 19053, United States
SUITE 200
FEASTERVILLE TREVOSE, PA 190536446
Phone: (215) 464-0770
Fax: (267) 579-0720
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $199.
Total Amount is formed as General ($199) + Research ($0) + Ownership ($0) = $199.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Exact Sciences Corporation ($37).
Total Amount
$199
General + Research + Ownership
Payments
11
Total payment records
General Amount
$199
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Exact Sciences Corporation | $37 |
| GlaxoSmithKline, LLC. | $35 |
| Dexcom, Inc. | $24 |
| Bayer Healthcare Pharmaceuticals Inc. | $20 |
| Novo Nordisk Inc | $20 |
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: 2011-10-20
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 |
|---|---|---|---|---|
| I20111020000460 | 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 | 412 | 215 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 185 | 185 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 161 | 120 | $0 |
| G0008 | Administration of influenza virus vaccine | 61 | 61 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 59 | 59 | $0 |
Insurance plans in this area (ZIP 19178)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | PA | 90670 | Pneumococcal vaccine for injection into muscle | 31 | 31 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Hematology/Oncology, Hospitalist, Hospitalist | VT | |
| - | PA | |
| General Surgery | PA | |
| - | PA | |
| - | PA | |
| Orthopedic Surgery, Hand Surgery, Physical Medicine And Rehabilitation | PA | |
| - | PA | |
| Internal Medicine | PA | |
| - | PA | |
| General Surgery | PA |
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