DR. MARK ROBERT DREWS (MD) – Internal Medicine Physician, NPI 1184693616
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
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Provider Addresses for DR. MARK ROBERT DREWS (MD)
Charles River Community Health, 495, Western Avenue, North Brighton, Allston, Boston, Suffolk County, Massachusetts, 02134-1316, United States
BRIGHTON, MA 021351007
Phone: (617) 783-0500
Fax: (617) 987-8222
Type: Mailing
564;566, Main Street, Piety Corner, Waltham, Middlesex County, Massachusetts, 02454, United States
WALTHAM, MA 024525516
Phone: (781) 693-3800
Fax: (781) 693-5514
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $107.
Total Amount is formed as General ($107) + Research ($0) + Ownership ($0) = $107.
Last reported payment date: 2024-11-12 • Largest payer in this snapshot: Exact Sciences Corporation ($87).
Total Amount
$107
General + Research + Ownership
Payments
4
Total payment records
General Amount
$107
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Exact Sciences Corporation | $87 |
| Abbott Laboratories | $20 |
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: 2005-04-28
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 |
|---|---|---|---|---|
| I20050428000288 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 83036 | Hemoglobin a1c level | 78 | 47 | $0 |
| 0124A | Adm sarscv2 bvl 30mcg/.3ml a | 15 | 15 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 14 | 14 | $0 |
Insurance plans in this area (ZIP 02135)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MA | 83036 | Hemoglobin A1C level | 73 | 45 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| - | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| Nurse Practitioner | MA | |
| Hospitalist, Internal Medicine | MA |
Reviews
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