MRS. CYNTHIA FERNANDEZ SHAFFER (NP-C) – Adult Medicine Physician, NPI 1891798047
Adult Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,664 NURSE PRACTITIONER in TN
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Provider Addresses for MRS. CYNTHIA FERNANDEZ SHAFFER (NP-C)
PO BOX 891
COLLEGEDALE, TN 373150891
Phone: (423) 778-9701
Type: Mailing
Ooltewah Pediatrician, Apison Pike, Four Corners, Collegedale, Hamilton County, East Tennessee, Tennessee, 37363, United States
OOLTEWAH, TN 373634340
Phone: (423) 778-9701
Fax: (423) 778-9713
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 109 Open Payments records for all available years, with a total value of $1,763.
Total Amount is formed as General ($1,763) + Research ($0) + Ownership ($0) = $1,763.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Novo Nordisk Inc ($599).
Total Amount
$1,763
General + Research + Ownership
Payments
109
Total payment records
General Amount
$1,763
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $599 |
| ABBVIE INC. | $212 |
| Inari Medical, Inc. | $189 |
| GlaxoSmithKline, LLC. | $172 |
| Bayer Healthcare Pharmaceuticals Inc. | $64 |
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: 2007-12-01
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 |
|---|---|---|---|---|
| I20071201000134 | I | Nurse Practitioner | TN | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 714 | 346 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 669 | 405 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 543 | 116 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 527 | 317 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 510 | 304 | $0 |
Insurance plans in this area (ZIP 37315)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | TN | |
| C H I R O P R A C T I C | GA |
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