RICHARD MILLSTEIN (D.O.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1407101975
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
135 ENDOCRINOLOGY in CO
Provider Addresses for RICHARD MILLSTEIN (D.O.)
1900 16TH ST
GREELEY, CO 80631
Phone:
Type: Location
535 S Burdick St Ste 256
Kalamazoo, MI 490076112
Phone: (269) 341-8585
Fax: (269) 341-7518
Type: Location
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.
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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: 2016-07-26
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 |
|---|---|---|---|---|
| I20160726002398 | I | Endocrinology | CO | 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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 1,140 | 11 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 470 | 249 | $0 |
| 83036 | Hemoglobin a1c level | 245 | 143 | $0 |
| 95251 | Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 190 | 95 | $0 |
| 82962 | Blood glucose (sugar) test performed by hand-held instrument | 110 | 82 | $0 |
Insurance plans in this area (ZIP 80631)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease | CO | |
| - | CO | |
| - | CO | |
| - | MO | |
| O T O L A R Y N G O L O G Y | CO | |
| Physician Assistant | CO | |
| - | CO | |
| Physician Assistant | CO | |
| Physician Assistant | CO | |
| Nurse Practitioner | CO |
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