DR. HOLLY HELEN CROMWELL (MD) – Emergency Medicine Physician, NPI 1548297658
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,845 EMERGENCY MEDICINE in IL
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Provider Addresses for DR. HOLLY HELEN CROMWELL (MD)
3735, Maple Avenue, Ancient Tree, Northbrook, Northfield Township, Cook County, Illinois, 60062, United States
NORTHBROOK, IL 600624908
Phone: (847) 556-7525
Fax: (847) 556-7525
Type: Mailing
Loretto Hospital, 645, South Central Avenue, Austin, Chicago, Cook County, Illinois, 60644, United States
CHICAGO, IL 606445015
Phone: (773) 626-4300
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $241.
Total Amount is formed as General ($241) + Research ($0) + Ownership ($0) = $241.
Last reported payment date: 2023-06-12 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($130).
Total Amount
$241
General + Research + Ownership
Payments
2
Total payment records
General Amount
$241
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $130 |
| ABBVIE INC. | $111 |
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: 2012-11-09
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 |
|---|---|---|---|---|
| I20121109000002 | I | Emergency Medicine | RI | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 131 | 129 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 60 | 59 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 15 | 15 | $0 |
Insurance plans in this area (ZIP 60062)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | RI | |
| Internal Medicine | RI | |
| Physician Assistant | RI | |
| A N E S T H E S I O L O G Y | RI | |
| A N E S T H E S I O L O G Y | RI | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology, Interventional Cardiology, Cardiovascular Disease (Cardiology) | RI | |
| Cardiovascular Disease (Cardiology) | MA | |
| Internal Medicine, Pulmonary Disease, Pulmonary Disease | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NY | |
| - | RI |
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