MS. ERIN GWEN HARPER-SANCHEZ (CNM, NP, RN) – Family Nurse Practitioner, NPI 1629293436
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
235 CERTIFIED NURSE MIDWIFE (CNM) in CO
Provider Addresses for MS. ERIN GWEN HARPER-SANCHEZ (CNM, NP, RN)
4745 ARAPAHOE AVE
BOULDER, CO 803031080
Phone: (303) 938-4710
Fax: (303) 541-0807
Type: Mailing
4745 ARAPAHOE AVE STE 200
BOULDER, CO 803031082
Phone: (303) 938-4710
Fax: (303) 541-0807
Type: Mailing
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 $39.
Total Amount is formed as General ($39) + Research ($0) + Ownership ($0) = $39.
Last reported payment date: 2023-12-06 • Largest payer in this snapshot: MAYNE PHARMA COMMERCIAL LLC ($17).
Total Amount
$39
General + Research + Ownership
Payments
4
Total payment records
General Amount
$39
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| MAYNE PHARMA COMMERCIAL LLC | $17 |
| PFIZER INC. | $17 |
| Organon LLC | $5 |
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: 2017-04-20
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 |
|---|---|---|---|---|
| I20070726000812 | I | Certified Nurse Midwife (Cnm) | CO | TBD |
| I20170420001103 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 30 | 30 | $0 |
Insurance plans in this area (ZIP 80303)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | CO | |
| Family Practice | WA | |
| - | CO | |
| Family Practice | CO | |
| Pediatric Medicine, Gastroenterology | CO | |
| Internal Medicine | CO | |
| G A S T R O E N T E R O L O G Y | CO | |
| - | AZ | |
| Family Practice | CO | |
| Physician Assistant | CO |
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