DR. BRIAN DAVID MARRIOTT (M.D.) – Family Medicine Physician, NPI 1770577926
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,899 FAMILY PRACTICE in MA
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Provider Addresses for DR. BRIAN DAVID MARRIOTT (M.D.)
244 WOOD ST
LEXINGTON, MA 024216426
Phone: (781) 981-7080
Fax: (781) 981-2165
Type: Mailing
MIT Medical, 25, Carleton Street, East Cambridge, Cambridge, Middlesex County, Massachusetts, 02142, United States
E-23
CAMBRIDGE, MA 021421323
Phone: (617) 253-4988
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: 2004-12-29
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 |
|---|---|---|---|---|
| I20041229000874 | I | Family Practice | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 194 | 104 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 99 | 87 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 89 | 86 | $0 |
| 84443 | Blood test, thyroid stimulating hormone (tsh) | 85 | 73 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 83 | 61 | $0 |
Insurance plans in this area (ZIP 02421)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MA | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology, Interventional Radiology | MA | |
| Nurse Practitioner | MA | |
| O P T O M E T R Y | MA | |
| - | MA | |
| Diagnostic Radiology, Interventional Radiology | MA | |
| - | MA | |
| Family Practice | MA | |
| - | MA |
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