DR. MICHAEL ZAVARIN (M.D.) – Critical Care Medicine (Internal Medicine) Physician, NPI 1972581312
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
254 CRITICAL CARE (INTENSIVISTS) in SC
Provider Addresses for DR. MICHAEL ZAVARIN (M.D.)
28, Eel River Circle, Plymouth, Plymouth County, Massachusetts, United States
PLYMOUTH, MA 023602114
Phone:
Type: Mailing
PH Pulmonary Disease
890 W Faris Road Ste 580
Greenville, SC 296054281
Phone: (864) 455-7874
Fax: (864) 455-8933
Type: Location
300 E MCBEE AVE FL 4
GREENVILLE, SC 296012842
Phone: (864) 522-8614
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: 2022-10-10
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 |
|---|---|---|---|---|
| I20051003000337 | I | Critical Care (Intensivists) | MA | TBD |
| I20210805000495 | I | Internal Medicine | SC | TBD |
| I20221010001058 | I | Critical Care (Intensivists) | NH | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 262 | 147 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 222 | 138 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 28 | 22 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 19 | 19 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 19 | 19 | $0 |
Insurance plans in this area (ZIP 02360)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | MA | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | MA | |
| Hospitalist, Cardiovascular Disease (Cardiology), Hospitalist, Internal Medicine | NY | |
| Diagnostic Radiology | NH | |
| - | NH | |
| Diagnostic Radiology | OK | |
| Physician Assistant | MA | |
| Internal Medicine | MA | |
| Radiation Oncology, Hematology/Oncology | OH | |
| Nephrology, Internal Medicine | MA |
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