DOUGLAS R GRONDA (MD) – Internal Medicine Physician, NPI 1962463109
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
7,735 INTERNAL MEDICINE in MA
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Provider Addresses for DOUGLAS R GRONDA (MD)
171 MAIN ST STE 203B
ASHLAND, MA 017211187
Phone: (508) 881-3029
Fax: (508) 881-1752
Type: Mailing
479, Washington Street, East Holliston, Holliston, Middlesex County, Massachusetts, 01746, United States
HOLLISTON, MA 01746
Phone: (508) 429-2377
Fax: (508) 429-2607
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 $71.
Total Amount is formed as General ($71) + Research ($0) + Ownership ($0) = $71.
Last reported payment date: 2023-08-14 • Largest payer in this snapshot: Teva Pharmaceuticals USA, Inc. ($71).
Total Amount
$71
General + Research + Ownership
Payments
1
Total payment records
General Amount
$71
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Teva Pharmaceuticals USA, Inc. | $71 |
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: 2010-06-21
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20100621000781 | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 468 | 232 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 387 | 216 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 111 | 27 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 73 | 61 | $0 |
| G0008 | Administration of influenza virus vaccine | 71 | 71 | $0 |
Insurance plans in this area (ZIP 01721)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| Physician Assistant | MA | |
| Family Practice | MA | |
| - | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA |
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