MARY M PENA (CRNA) – Certified Registered Nurse Anesthetist, NPI 1043441652
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,760 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in TN
Provider Addresses for MARY M PENA (CRNA)
6019 WALNUT GROVE RD
MEMPHIS, TN 381202113
Phone: (901) 226-5000
Type: Location
1068 Cresthaven Rd
SUITE 150
Memphis, TN 381190800
Phone: (901) 682-2872
Fax: (901) 682-9316
Type: Location
Central Maine Medical Center, 300, Main Street, Lewiston, Androscoggin County, Maine, 04240, United States
LEWISTON, ME 042407027
Phone: (901) 682-2872
Fax: (901) 682-9316
Type: Mailing
Cresthaven Road, Brookfield, Memphis, Shelby County, Tennessee, 38119, United States
SUITE 150
MEMPHIS, TN 381190800
Phone: (901) 682-2872
Fax: (901) 682-9316
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $89.
Total Amount is formed as General ($89) + Research ($0) + Ownership ($0) = $89.
Last reported payment date: 2024-01-22 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($89).
Total Amount
$89
General + Research + Ownership
Payments
5
Total payment records
General Amount
$89
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $89 |
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: 2018-05-23
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20091209000442 | I | Certified Registered Nurse Anesthetist (Crna) | AR | TBD |
| I20110324000306 | I | Certified Registered Nurse Anesthetist (Crna) | TN | TBD |
| I20180523000555 | I | Certified Registered Nurse Anesthetist (Crna) | MS | 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 |
|---|---|---|---|---|
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 41 | 41 | $0 |
| 00670 | Anesthesia for extensive surgery on spine | 16 | 16 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 14 | 14 | $0 |
| 01402 | Anesthesia for procedure for total knee joint replacement | 14 | 14 | $0 |
| 00790 | Anesthesia for other procedure on upper abdomen | 12 | 12 | $0 |
Insurance plans in this area (ZIP 38120)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | TN | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| Certified Registered Nurse Anesthetist (Crna) | TN | |
| - | GA | |
| - | MO | |
| - | NC | |
| Certified Registered Nurse Anesthetist (Crna) | TN | |
| A N E S T H E S I O L O G Y | MO | |
| Certified Registered Nurse Anesthetist (Crna) | MS | |
| Certified Registered Nurse Anesthetist (Crna) | TN |
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