Ruth A Frederick , CRNA
Nurse Anesthetist, Certified Registered • Stuart, FL
421 Se Osceola St, Ste 3
Stuart, FL 349942505
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Ruth Frederick is listed in NPPES under Nurse Anesthetist, Certified Registered.
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NPI assigned on August 30, 2006; this date does not establish years in practice.
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Published CMS data list 73 Original Medicare Part B services in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Published rows only; this is not a quality measure.
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Published Part B service records, 2018:
- 00731 — Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope: 22 service units.
- 00811 — Anesthesia for other procedure on large bowel using an endoscope: 15 service units.
- 00813 — Anesthesia for procedure on small and large bowel using an endoscope: 14 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2017 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2018). CPT notice
See all 5 records in the table · Guide: How to read Medicare Part B data
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Medicare Part B services went from 115 in 2017 to 73 in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2017–2018.
Practice Location & Contact Primary Location
421 Se Osceola St
Ste 3
Stuart, FL 349942505
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Nurse Anesthetist, Certified Registered: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $13,164 in 2018
The total amount Medicare approved for these services in 2018. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018.
Paid by Medicare
About $10,236 in 2018
The part of the Medicare-allowed amount that Medicare itself paid in 2018, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2021–2025.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Stuart and Florida
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Ruth Frederick are from 2018.
41 active clinicians are listed under Nurse Anesthetist, Certified Registered with a practice address in Stuart, FL (6,371 in Florida).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Stuart
0% of these 41 clinicians have the CMS telehealth indicator.
53.7% of these 41 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 37% from 115 in 2017 to 73 in 2018.
- 2017: 115
- 2018: 73
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Medicare-allowed amount
Medicare-allowed amount decreased 40% from $21,869 in 2017 to $13,164 in 2018.
- 2017: $21,869
- 2018: $13,164
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Paid by Medicare
Paid by Medicare decreased 41% from $17,393 in 2017 to $10,236 in 2018.
- 2017: $17,393
- 2018: $10,236
Sources: CMS Medicare Physician & Other Practitioners (2018), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2017 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2018; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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00731
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope
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22 | 22 | $1492.87 | $153.70 |
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00811
Anesthesia for other procedure on large bowel using an endoscope
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15 | 15 | $1385.28 | $151.39 |
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00813
Anesthesia for procedure on small and large bowel using an endoscope
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14 | 14 | $1656.57 | $174.16 |
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00790
Anesthesia for other procedure on upper abdomen
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11 | 11 | $3494.40 | $237.30 |
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01402
Anesthesia for procedure for total knee joint replacement
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11 | 11 | $3466.04 | $223.95 |
Source: CMS Part B by Provider and Service, 2018; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 367500000X
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Additional State Medicaid & Healthcare Payer Identifiers
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Career & Practice History
NPI enumerated August 30, 2006.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.
NPI Administrative Meta
Other Nurse Anesthetist, Certified Registereds in Stuart
- Sean Mulcahy, CRNA
- Paul Lewis, CRNA
- Patricia Dechristofaro, CRNA
- Joan Blasinsky, CRNA
- Michael Petri, CRNA
- Helen Carmalt-Palmero, CRNA
Mailing Address
421 Se Osceola St, Ste 3
Stuart, FL 349942505
Phone: 7722860338