MARGARET EICH MILLS (NP) – Nurse Practitioner, NPI 1336454792
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
16,353 NURSE PRACTITIONER in CA
Provider Addresses for MARGARET EICH MILLS (NP)
300 PASTEUR DR
STANFORD, CA 943052200
Phone: (650) 723-4000
Type: Mailing
7951 E. MAPLEWOOD AVENUE SUITE 300
GREENWOOD VILLAGE, CO 80111
Phone: (303) 930-7800
Fax: (303) 930-7860
Type: Mailing
11750 W. 2ND PLACE SUITE 100
LAKEWOOD, CO 80228
Phone: (303) 430-2700
Fax: (303) 430-2770
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $126.
Total Amount is formed as General ($126) + Research ($0) + Ownership ($0) = $126.
Last reported payment date: 2023-10-18 • Largest payer in this snapshot: Myriad Genetic Laboratories, Inc. ($68).
Total Amount
$126
General + Research + Ownership
Payments
3
Total payment records
General Amount
$126
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Myriad Genetic Laboratories, Inc. | $68 |
| Merck Sharp & Dohme LLC | $33 |
| GlaxoSmithKline, LLC. | $24 |
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: 2017-12-04
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 |
|---|---|---|---|---|
| I20171204000741 | I | Nurse Practitioner | CA | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 193 | 91 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 161 | 117 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 70 | 45 | $0 |
Insurance plans in this area (ZIP 94305)
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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 | TX | |
| - | CA | |
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Hematology, Medical Oncology | NY | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Neuropsychiatry, Neurology | CA |
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