MARK E NIELSON (MD) – Anesthesiology Physician, NPI 1942407838
Anesthesiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,447 ANESTHESIOLOGY in IN
Provider Addresses for MARK E NIELSON (MD)
250 N SHADELAND AVE
INDIANAPOLIS, IN 462194959
Phone:
Type: Mailing
PO BOX 7232
DEPT 118
INDIANAPOLIS, IN 462077232
Phone: (317) 614-9850
Fax: (317) 614-9655
Type: Mailing
1701 N Senate Blvd
Anesthesia Dept
Indianapolis, IN 462021239
Phone: (317) 614-9641
Fax: (317) 614-9655
Type: Location
Senate Boulevard, Meridian Highlands, Indianapolis, Marion, Indiana, 46202, United States
ANESTHESIA DEPT
INDIANAPOLIS, IN 462021239
Phone: (317) 614-9641
Fax: (317) 614-9655
Type: Location
2401 W UNIVERSITY AVE
MUNCIE, IN 473033428
Phone: (765) 751-2649
Fax: (765) 281-6671
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $234.
Total Amount is formed as General ($234) + Research ($0) + Ownership ($0) = $234.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: SPR Therapeutics, Inc ($185).
Total Amount
$234
General + Research + Ownership
Payments
4
Total payment records
General Amount
$234
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| SPR Therapeutics, Inc | $185 |
| Medtronic, Inc. | $29 |
| AngioDynamics, Inc. | $20 |
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: 2021-06-14
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 |
|---|---|---|---|---|
| I20110524000071 | I | Anesthesiology | IN | TBD |
| I20210614002625 | I | Anesthesiology | TX | 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 |
|---|---|---|---|---|
| 96127 | Assessment of emotional or behavioral problems | 90 | 36 | $0 |
| 80307 | Testing for presence of drug, by chemistry analyzers | 35 | 33 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 27 | 23 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 20 | 19 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $0 |
Insurance plans in this area (ZIP 46219)
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Provider's Procedures
Group practice members
- 1
- 2
- 3
- 4
- 5
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | IL | |
| Certified Registered Nurse Anesthetist (Crna) | OH | |
| - | CA | |
| Certified Registered Nurse Anesthetist (Crna) | MI | |
| - | FL | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | MI | |
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| Anesthesiology, Internal Medicine | OR |
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