PHILLIP DENNEN (MD) – Anesthesiology Physician, NPI 1003867649
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for PHILLIP DENNEN (MD)
Saint Francis Hospital and Medical Center, 114, Woodland Street, Upper Albany Historic District, Hartford, Hartford County, Connecticut, 06105, United States
HARTFORD, CT 061051208
Phone: (860) 714-6654
Fax: (860) 714-8110
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $140.
Total Amount is formed as General ($140) + Research ($0) + Ownership ($0) = $140.
Last reported payment date: 2024-09-26 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($101).
Total Amount
$140
General + Research + Ownership
Payments
9
Total payment records
General Amount
$140
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $101 |
| Heron Therapeutics, Inc. | $34 |
| Ambu Inc. | $5 |
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: 2009-01-15
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 |
|---|---|---|---|---|
| I20090115000430 | I | Anesthesiology | 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 |
|---|---|---|---|---|
| 01480 | Anesthesia for other procedure on lower leg, ankle, and foot bones | 21 | 20 | $0 |
| 00520 | Anesthesia for other closed procedure on chest | 11 | 11 | $0 |
Insurance plans in this area (ZIP 06105)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | CT | 00790 | Anesthesia for procedure in upper abdomen including use of an endoscope | 35 | 34 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | CT | |
| - | MA | |
| Anesthesiology, Pain Management | CT | |
| Certified Registered Nurse Anesthetist (Crna) | ME | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| A N E S T H E S I O L O G Y | PA | |
| Certified Registered Nurse Anesthetist (Crna) | NY | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| A N E S T H E S I O L O G Y | NY |
Reviews
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