MS. MARY ELIZABETH MASSIEU (DNP, FNP -C) – Family Nurse Practitioner, NPI 1144644287
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
24,232 NURSE PRACTITIONER in FL
Provider Addresses for MS. MARY ELIZABETH MASSIEU (DNP, FNP -C)
20719 SW 105TH AVENUE
CUTLER BAY, FL 33189
Phone: (305) 254-8078
Type: Mailing
975 BAPTIST WAY
HOMESTEAD, FL 330337600
Phone: (305) 254-8078
Type: Location
14600 S. WATERBURY STREET
SUITE A & B
MAYER, AZ 86333
Phone: (928) 271-5490
Fax: (866) 205-4076
Type: Mailing
12075 E STATE ROUTE 69
DEWEY, AZ 863274517
Phone: (928) 772-1673
Fax: (602) 218-4443
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 67 Open Payments records for all available years, with a total value of $1,547.
Total Amount is formed as General ($1,547) + Research ($0) + Ownership ($0) = $1,547.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($309).
Total Amount
$1,547
General + Research + Ownership
Payments
67
Total payment records
General Amount
$1,547
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $309 |
| GlaxoSmithKline, LLC. | $158 |
| ABBVIE INC. | $133 |
| Amgen Inc. | $127 |
| PFIZER INC. | $112 |
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: 2021-03-11
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 |
|---|---|---|---|---|
| I20191015002348 | I | Nurse Practitioner | FL | TBD |
| I20210311003043 | I | Nurse Practitioner | AZ | 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 |
|---|---|---|---|---|
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 800 | 126 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 548 | 140 | $0 |
| 96127 | Assessment of emotional or behavioral problems | 328 | 38 | $0 |
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 225 | 76 | $0 |
| 99457 | Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 175 | 34 | $0 |
Insurance plans in this area (ZIP 33189)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Addiction Medicine, Family Practice | AZ | |
| Nurse Practitioner | AZ | |
| Nurse Practitioner | AZ | |
| Nurse Practitioner | AZ | |
| Nurse Practitioner | AZ | |
| Physician Assistant | AZ | |
| - | AZ | |
| - | AZ | |
| Physician Assistant | ME | |
| Nurse Practitioner | IL |
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