MELISSA ROBBINS MAHR (M.D.) – Internal Medicine Physician, NPI 1164441705
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
Provider Addresses for MELISSA ROBBINS MAHR (M.D.)
24;28, Newton Street, Southborough, Worcester County, Massachusetts, 01745, United States
SOUTHBOROUGH, MA 017721215
Phone: (508) 460-3250
Fax: (508) 460-3223
Type: Mailing
169 W Main St
Hopkinton, MA 017482101
Phone: (508) 731-2570
Fax: (508) 625-1354
Type: Location
9 INDUSTRIAL RD STE 5
MILFORD, MA 017573736
Phone: (508) 473-1480
Fax: (508) 473-2709
Type: Mailing
77 W MAIN ST STE 204
HOPKINTON, MA 017481689
Phone: (508) 731-2570
Fax: (508) 544-2859
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $72.
Total Amount is formed as General ($72) + Research ($0) + Ownership ($0) = $72.
Last reported payment date: 2024-08-14 • Largest payer in this snapshot: Inspire Medical Systems, Inc. ($72).
Total Amount
$72
General + Research + Ownership
Payments
1
Total payment records
General Amount
$72
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inspire Medical Systems, Inc. | $72 |
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: 2004-10-05
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 |
|---|---|---|---|---|
| I20041005001063 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 185 | 105 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 97 | 70 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 83 | 83 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 24 | 21 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 18 | 17 | $0 |
Insurance plans in this area (ZIP 01772)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| - | MA | |
| - | MA | |
| Family Practice | MA | |
| Physician Assistant | MA | |
| Pulmonary Disease, Critical Care (Intensivists), Allergy/Immunology | MA | |
| - | MA | |
| - | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA |
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