MITCHELL I BALLIN (MD) – Internal Medicine Physician, NPI 1104866565
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 MITCHELL I BALLIN (MD)
157 Union St
Marlborough, MA 017521228
Phone: (508) 486-5678
Fax: (508) 486-5677
Type: Location
PO BOX 415348
BOSTON, MA 022415348
Phone: (800) 225-8885
Fax: (508) 334-1977
Type: Mailing
119 Belmont St
Worcester, MA 016052903
Phone: (508) 334-8515
Fax: (508) 334-6490
Type: Location
55 Lake Ave N
Worcester, MA 016550002
Phone: (508) 334-8515
Fax: (508) 334-6490
Type: Location
Lake County Memorial Hospital West, 36000, Euclid Avenue, Concord Mobile Home Park, Willoughby, Lake County, Ohio, 44094, United States
WILLOUGHBY, OH 440944625
Phone: (440) 953-9600
Type: Location
2176, Bellfield Avenue, Cedar Heights, Cleveland Heights, Cuyahoga County, Ohio, 44106, United States
CLEVELAND HEIGHTS, OH 441063124
Phone: (216) 231-5166
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: 2023-05-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20041214000036 | I | Hospitalist | OH | TBD |
| I20141024000776 | I | Internal Medicine | ME | TBD |
| I20230523000536 | I | Hospitalist | VT | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 44 | 18 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 35 | 34 | $0 |
Insurance plans in this area (ZIP 01752)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | NH | |
| - | NY | |
| Emergency Medicine | MI | |
| - | MA | |
| Critical Care (Intensivists), Internal Medicine | RI | |
| - | MA | |
| Nurse Practitioner | AZ | |
| - | VT | |
| - | NY | |
| Cardiovascular Disease (Cardiology) | NY |
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