DR. MARK PENNINGTON (M.D.) – Procedural Dermatology Physician, NPI 1720080476
Procedural Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
270 DERMATOLOGY in CT
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Provider Addresses for DR. MARK PENNINGTON (M.D.)
300, Kensington Avenue, New Britain, Hartford County, Connecticut, 06051, United States
GROVE HILL MEDICAL CENTER
NEW BRITAIN, CT 060513916
Phone: (860) 348-4242
Fax: (860) 348-4646
Type: Mailing
1, Lake Street, New Britain, Hartford County, Connecticut, 06052, United States
GROVE HILL MEDICAL CENTER
NEW BRITAIN, CT 060521396
Phone: (860) 348-4242
Fax: (860) 348-4646
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $525.
Total Amount is formed as General ($525) + Research ($0) + Ownership ($0) = $525.
Last reported payment date: 2024-11-27 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($194).
Total Amount
$525
General + Research + Ownership
Payments
17
Total payment records
General Amount
$525
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $194 |
| Galderma Laboratories, L.P. | $87 |
| ABBVIE INC. | $77 |
| Amgen Inc. | $34 |
| GENZYME CORPORATION | $29 |
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: 2005-05-26
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 |
|---|---|---|---|---|
| I20050526000542 | I | Dermatology | CT | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 761 | 363 | $0 |
| 17003 | Destruction of precancer skin growth, 2-14 growths | 711 | 103 | $0 |
| 17110 | Destruction of skin growth, 1-14 growths | 408 | 250 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 306 | 162 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 186 | 155 | $0 |
Insurance plans in this area (ZIP 06051)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CT | |
| Diagnostic Radiology | RI | |
| Pulmonary Disease, Critical Care (Intensivists) | CT | |
| Interventional Radiology, Diagnostic Radiology | CT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CT | |
| Diagnostic Radiology | MN | |
| Diagnostic Radiology | MA | |
| - | CT | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology | CT |
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