DR. MARK THOMAS WATKINS (DO) – Adult Medicine Physician, NPI 1336226166
Adult Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
166 GENERAL PRACTICE in PA
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Provider Addresses for DR. MARK THOMAS WATKINS (DO)
253, South 10th Street, Washington Square West, Center City, Philadelphia, Philadelphia County, Pennsylvania, 19107, United States
SUITE 201
PHILADELPHIA, PA 191075751
Phone: (215) 829-0170
Fax: (215) 829-0173
Type: Mailing
10th Street, New Philadelphia, Tuscarawas County, Ohio, 44663, United States
SUITE 201
PHILADELPHIA, PA 191075605
Phone: (215) 829-0170
Fax: (215) 829-0173
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 146 Open Payments records for all available years, with a total value of $7,158.
Total Amount is formed as General ($7,158) + Research ($0) + Ownership ($0) = $7,158.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: ViiV Healthcare Company ($5,572).
Total Amount
$7,158
General + Research + Ownership
Payments
146
Total payment records
General Amount
$7,158
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ViiV Healthcare Company | $5,572 |
| Gilead Sciences, Inc. | $810 |
| Merck Sharp & Dohme LLC | $349 |
| Theratechnologies Inc. | $217 |
| Lilly USA, LLC | $80 |
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: 2011-05-18
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 |
|---|---|---|---|---|
| I20110518000079 | I | General Practice | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 229 | 127 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 165 | 104 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 91 | 61 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 55 | 44 | $0 |
| 0124A | Adm sarscv2 bvl 30mcg/.3ml a | 11 | 11 | $0 |
Insurance plans in this area (ZIP 19107)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | PA | |
| Family Practice | PA | |
| Internal Medicine | PA | |
| Infectious Disease | PA | |
| Clinical Psychologist | PA | |
| - | PA | |
| Internal Medicine, Infectious Disease | PA | |
| - | PA | |
| Family Practice | PA | |
| - | PA |
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