CHESTER J DREIMAN (MD) – Internal Medicine Physician, NPI 1013983196
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for CHESTER J DREIMAN (MD)
1725 W Harrison St Ste 10
Chicago, IL 606123849
Phone: (312) 563-3700
Type: Location
2562 BRIARWOOD DR
BOULDER, CO 803056804
Phone: (303) 501-2195
Type: Mailing
4350, Wadsworth Boulevard, Wheat Ridge, Jefferson County, Colorado, 80033, United States
#201
WHEAT RIDGE, CO 800334641
Phone: (720) 898-9612
Fax: (720) 898-9614
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: 2024-03-21
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 |
|---|---|---|---|---|
| I20040506001730 | I | Internal Medicine | CO | TBD |
| I20230504000186 | I | Hospice/Palliative Care | IL | TBD |
| I20240321001814 | I | Internal Medicine | NM | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60612)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CO | |
| Radiation Oncology | TX | |
| - | CO | |
| Hospitalist, General Practice, Family Practice | CO | |
| Cardiovascular Disease (Cardiology) | NM | |
| Family Practice | OK | |
| Internal Medicine | CO | |
| H E M A T O L O G Y/ O N C O L O G Y | TX | |
| Internal Medicine | PA | |
| Nurse Practitioner | CO |
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