GREGORY S ZIMMERMANN (M.D.) – Diagnostic Radiology Physician, NPI 1972601409
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,085 DIAGNOSTIC RADIOLOGY in MD
Provider Addresses for GREGORY S ZIMMERMANN (M.D.)
322 E Antietam St
Suite 106
Hagerstown, MD 217405794
Phone: (301) 739-6144
Fax: (301) 739-6163
Type: Location
322, East Antietam Street, Hagerstown, Washington County, Maryland, 21740, United States
SUITE 106
HAGERSTOWN, MD 217405794
Phone: (301) 739-6144
Fax: (301) 739-6163
Type: Mailing
10715 DOWNSVILLE PIKE STE 106
HAGERSTOWN, MD 217407240
Phone: (301) 739-6144
Fax: (301) 739-6163
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: 2018-07-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20060220000592 | I | Diagnostic Radiology | MD | TBD |
| I20180712000450 | I | Diagnostic Radiology | PA | 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 |
|---|---|---|---|---|
| A9575 | Injection, gadoterate meglumine, 0.1 ml | 5,133 | 32 | $0 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 4,392 | 47 | $0 |
| 77067 | Screening mammography | 765 | 765 | $0 |
| 77063 | Screening 3d breast mammography | 763 | 763 | $0 |
| 71045 | X-ray of chest, 1 view | 592 | 520 | $0 |
Insurance plans in this area (ZIP 21740)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | MD | 71010 | X-ray of chest, 1 view, front | 606 | 502 |
| DIAGNOSTIC RADIOLOGY | MD | 71250 | CT scan chest | 57 | 56 |
| DIAGNOSTIC RADIOLOGY | MD | 73110 | X-ray of wrist, minimum of 3 views | 13 | 12 |
| DIAGNOSTIC RADIOLOGY | MD | 73630 | X-ray of foot, minimum of 3 views | 22 | 21 |
| DIAGNOSTIC RADIOLOGY | MD | 74177 | CT scan of abdomen and pelvis with contrast | 60 | 59 |
| DIAGNOSTIC RADIOLOGY | MD | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 61 | 59 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | VA | |
| - | MN | |
| Diagnostic Radiology | NY | |
| Diagnostic Radiology | VA | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology | PA | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | VA |
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