DENNIS TAN (NP-C) – Nurse Practitioner, NPI 1255903696
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,971 NURSE PRACTITIONER in MA
Provider Addresses for DENNIS TAN (NP-C)
745 River St
Hyde Park, MA 021366441
Phone: (617) 364-2588
Type: Location
300 MT AUBURN ST
SUITE 517
CAMBRIDGE, MA 021385665
Phone:
Type: Mailing
300 MOUNT AUBURN ST STE 517
CAMBRIDGE, MA 021385665
Phone: (617) 492-3500
Type: Location
66 HUDSON ST APT H805
BOSTON, MA 021111950
Phone: (617) 840-7581
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2023-07-27
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 |
|---|---|---|---|---|
| I20230727001260 | I | Nurse Practitioner | MA | 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 |
|---|---|---|---|---|
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 252 | 113 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 157 | 96 | $0 |
| 99349 | Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 28 | 21 | $0 |
| 99316 | Nursing facility discharge management, more than 30 minutes | 26 | 26 | $0 |
| 99315 | Nursing facility discharge day management, 30 minutes or less | 13 | 13 | $0 |
Insurance plans in this area (ZIP 02136)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| Internal Medicine | MA | |
| - | MA | |
| - | MA |
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