Eloisa G. Santillan , CRNA
Anesthesiologist Assistant • Orlando, FL
1717 S. Orange Ave., Suite 100, Nemours Childrens Clinic, Orlando
Orlando, FL 328062946
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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Eloisa Santillan is listed in NPPES under Anesthesiologist Assistant.
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NPI assigned on May 24, 2006; this date does not establish years in practice.
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Published CMS data list 250 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 00811 — Anesthesia for other procedure on large bowel using an endoscope: 73 service units.
- 00812 — Anesthesia for exam of colon using an endoscope: 67 service units.
- 00731 — Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope: 59 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 4 records in the table · Guide: How to read Medicare Part B data
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More Medicare Part B services than 95% of clinicians listed under Anesthesiologist Assistant in Orlando, FL (2024, 40 clinicians with data). Median for this group: 32. Middle half: 23 to 45.
More Medicare Part B services than 95% of clinicians listed under Anesthesiologist Assistant in Florida (2024, 430 clinicians with data). Median for this group: 48. Middle half: 23 to 91.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 235 in 2020 to 250 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
1717 S. Orange Ave., Suite 100
Nemours Childrens Clinic, Orlando
Orlando, FL 328062946
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 2 distinct group names: Professional Gastroenterology And Nutrition Associates, P.A.; Sleep Well Anesthetists. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
2001
What Public CMS Data Show
Anesthesiologist Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
244 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $27,450 in 2024
The total amount Medicare approved for these services in 2024. 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, 2024.
Paid by Medicare
About $21,830 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, 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, 2024.
Open Payments general payments, program year 2025
All general payments: $124.88 across 7 records.
By nature of payment
- Food and Beverage: $124.88 across 7 records.
Reporting-company totals (3 largest of 5)
- Janssen Pharmaceuticals, Inc: $36.96 across 2 records.
- Intercept Pharmaceuticals, Inc.: $36.81 across 2 records.
- Salix Pharmaceuticals, a division of Bausch Health US, LLC: $20.36 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
25 years (graduated 2001)
CMS Doctors and Clinicians data list 2001 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
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.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
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.
Enrolled in Medicare (PECOS)
Eloisa Santillan has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Orlando and Florida
Billing and prescribing volume is not a quality rating.
Medicare Part B services
More Medicare Part B services than 95% of clinicians listed under Anesthesiologist Assistant in Orlando, FL (2024, 40 clinicians with data). Median for this group: 32. Middle half: 23 to 45.
More Medicare Part B services than 95% of clinicians listed under Anesthesiologist Assistant in Florida (2024, 430 clinicians with data). Median for this group: 48. Middle half: 23 to 91.
Medicare-allowed amount
A higher Medicare-allowed amount than 95% of clinicians listed under Anesthesiologist Assistant in Orlando, FL (2024, 40 clinicians with data). Median for this group: $3,834. Middle half: $2,261 to $6,501.
A higher Medicare-allowed amount than 95% of clinicians listed under Anesthesiologist Assistant in Florida (2024, 430 clinicians with data). Median for this group: $5,215. Middle half: $2,109 to $9,487.
Paid by Medicare
A higher Medicare payment amount than 95% of clinicians listed under Anesthesiologist Assistant in Orlando, FL (2024, 40 clinicians with data). Median for this group: $3,028. Middle half: $1,755 to $5,159.
A higher Medicare payment amount than 95% of clinicians listed under Anesthesiologist Assistant in Florida (2024, 430 clinicians with data). Median for this group: $4,164. Middle half: $1,683 to $7,502.
99 active clinicians are listed under Anesthesiologist Assistant with a practice address in Orlando, FL (969 in Florida).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Orlando
0% of these 99 clinicians have the CMS telehealth indicator.
75.8% of these 99 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 varied from year to year: 235 in 2020 and 250 in 2024.
- 2020: 235
- 2021: 233
- 2022: 364
- 2023: 282
- 2024: 250
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Medicare-allowed amount
Medicare-allowed amount varied from year to year: $29,154 in 2020 and $27,450 in 2024.
- 2020: $29,154
- 2021: $29,103
- 2022: $44,689
- 2023: $31,671
- 2024: $27,450
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Paid by Medicare
Paid by Medicare varied from year to year: $23,264 in 2020 and $21,830 in 2024.
- 2020: $23,264
- 2021: $23,491
- 2022: $36,242
- 2023: $25,254
- 2024: $21,830
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $51.00 in 2021 to $124.88 in 2025.
- 2021: $51.00
- 2023: $46.41
- 2024: $106.84
- 2025: $124.88
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $124.88.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Salix Pharmaceuticals, a division of Bausch Health US, LLC |
Food and Beverage
In-kind items and services
|
XIFAXAN | General | $20.36 |
| Intercept Pharmaceuticals, Inc. |
Food and Beverage
In-kind items and services
|
OCALIVA | General | $20.35 |
| Janssen Pharmaceuticals, Inc |
Food and Beverage
In-kind items and services
|
TREMFYA | General | $19.07 |
| Janssen Pharmaceuticals, Inc |
Food and Beverage
In-kind items and services
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TREMFYA | General | $17.89 |
| Intercept Pharmaceuticals, Inc. |
Food and Beverage
In-kind items and services
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OCALIVA | General | $16.46 |
| Madrigal Pharmaceuticals |
Food and Beverage
In-kind items and services
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REZDIFFRA | General | $15.41 |
| Takeda Pharmaceuticals U.S.A., Inc. |
Food and Beverage
In-kind items and services
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GATTEX | General | $15.34 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 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, 2017–2024; 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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00811
Anesthesia for other procedure on large bowel using an endoscope
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73 | 72 | $784.93 | $109.46 |
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00812
Anesthesia for exam of colon using an endoscope
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67 | 67 | $623.28 | $85.10 |
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00731
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope
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59 | 57 | $846.61 | $117.00 |
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00813
Anesthesia for procedure on small and large bowel using an endoscope
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51 | 50 | $964.71 | $134.41 |
Source: CMS Part B by Provider and Service, 2024; 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: 367H00000X
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
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
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
I20100715000726
FL
8022140730
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Professional Gastroenterology And Nutrition Associates, P.a.
8110 County Rd, Leesburg, FL 347883704
Phone: 3523238868
Sleep Well Anesthetists
921 N Main St, Kissimmee, FL 347444570
Phone: 4073616374
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Pediatrics - Pediatric Nephrology
Doctor of Medicine (M.D.)
Anesthesiology
Doctor of Medicine (M.D.)
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Anesthesiology - Pediatric Anesthesiology
Doctor of Medicine (M.D.)
Orthopaedic Surgery - Pediatric Orthopaedic Surgery
Doctor of Medicine (M.D.)
Pediatrics - Pediatric Pulmonology
Doctor of Medicine (M.D.)
Career & Practice History
NPI enumerated May 24, 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 Anesthesiologist Assistants in Orlando
- Morgan Sammler, CAA
- Drew Johnson
- Sarah Ridarick
- Amber Hopper, AA
- Victoria Williams
- Eric Feigenbaum, C-AA
Mailing Address
P.o. Box 191, Provider Enrollment Department,
Rockland, DE 197320191
Phone: 9046974127