GREGORY GELMANN (MD) – Anesthesiology Physician, NPI 1831112739
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
136 ANESTHESIOLOGY in DE
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Provider Addresses for GREGORY GELMANN (MD)
2, Reads Way, Christiana Acres, New Castle County, Delaware, 19720, United States
SUITE 201
NEW CASTLE, DE 197201607
Phone: (302) 709-4709
Fax: (302) 709-4551
Mailing address matches the actual address.
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: 2023-02-22
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 |
|---|---|---|---|---|
| I20230222002094 | I | Anesthesiology | NC | 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 |
|---|---|---|---|---|
| 00142 | Anesthesia for lens surgery | 179 | 167 | $0 |
| 76942 | Ultrasonic guidance for needle placement | 47 | 46 | $0 |
| 00145 | Anesthesia for retinal surgery | 22 | 19 | $0 |
| 64415 | Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 20 | 20 | $0 |
| 64447 | Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 18 | 18 | $0 |
Insurance plans in this area (ZIP 19720)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | NC | |
| A N E S T H E S I O L O G Y | VA | |
| - | IL | |
| Certified Registered Nurse Anesthetist (Crna) | NC | |
| - | NM | |
| Certified Registered Nurse Anesthetist (Crna) | NC | |
| A N E S T H E S I O L O G Y | NC | |
| A N E S T H E S I O L O G Y | NC | |
| Certified Registered Nurse Anesthetist (Crna) | NC |
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