CHRISTOPHER B SPENCER (M.D.) – Anesthesiology Physician, NPI 1538143797
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
863 ANESTHESIOLOGY in CT
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Provider Addresses for CHRISTOPHER B SPENCER (M.D.)
Room Escape Boston & Archery Games, 121, Webster Avenue, Chelsea Common, Chelsea, Suffolk County, Massachusetts, 02150, United States
BOSTON, MA 022417297
Phone: (866) 623-3869
Fax: (302) 733-0854
Type: Mailing
111, Goose Lane, Guilford, New Haven County, Connecticut, 06437, United States
GUILFORD, CT 064375101
Phone: (203) 453-7100
Fax: (215) 957-2875
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 42 Open Payments records for all available years, with a total value of $709.
Total Amount is formed as General ($709) + Research ($0) + Ownership ($0) = $709.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($267).
Total Amount
$709
General + Research + Ownership
Payments
42
Total payment records
General Amount
$709
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $267 |
| ABBVIE INC. | $104 |
| QOL Medical, LLC | $103 |
| Celgene Corporation | $91 |
| Lilly USA, LLC | $59 |
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: 2004-11-09
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 |
|---|---|---|---|---|
| I20041109000881 | 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 |
|---|---|---|---|---|
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 132 | 130 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 74 | 74 | $0 |
| 00813 | Anesthesia for procedure on small and large bowel using an endoscope | 57 | 57 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 38 | 38 | $0 |
Insurance plans in this area (ZIP 02241)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | CT | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| A N E S T H E S I O L O G Y | CT | |
| 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 | MA |
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