SARAH THOMASSON OSS CRNA
NPI 1194223628
Nurse Anesthetist, Certified Registered in Lakewood, CO

Active since January 30, 2018PECOS EnrolledAccepts Medicare Assignment
7000 W COLFAX AVE, LAKEWOOD, CO 80214(303) 996-1188 Get Directions Write a Review

NPPES record last updated: September 25, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 25, 2020, Apr 23, 2019 (2 updates tracked since 2019).

About Sarah Thomasson Oss Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SARAH THOMASSON OSS CRNA (NPI 1194223628) is an individual nurse anesthetist, certified registered in Lakewood, Colorado, licensed in Colorado (C-AP-0002152-C-CRNA) and active in the NPI registry since January 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1194223628
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameSARAH THOMASSON OSSCredential: CRNA
Location Address7000 W COLFAX AVELakewood, CO 80214-5433
Mailing Address718 E 48th StSavannah, GA 31405-2451
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJanuary 30, 2018
Last NPPES UpdateSeptember 25, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2020
✔ NPI 1194223628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in CO · C-AP-0002152-C-CRNA✔ Licensed in GA · RN275900
Definition
(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.
Also ListedRegistered NurseTaxonomy 163W00000X · License 1144925 (AL)
7000 W COLFAX AVE, Lakewood, CO 80214

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sarah Thomasson Oss Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466705207
PECOS Enrollment IDI20240806002856
Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare enrollment records show Sarah Oss reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
1699 MEDICAL CENTER POINT
Colorado Springs, CO 80907
  • Reassigned Medicare billing, Colorado enrollment
  • 33 clinicians in this Medicare group
Anesthesiology
201 E WATTS ST
Enterprise, AL 36330
  • Reassigned Medicare billing, Alabama enrollment
  • 24 clinicians in this Medicare group
Anesthesiology
2171 WEST PARK COURT, SUITE A
Stone Mountain, GA 30087
  • Reassigned Medicare billing, Georgia enrollment
  • 650 clinicians in this Medicare group
Gastroenterology
200 PATEWOOD DR, SUITE B200
Greenville, SC 29615
  • Reassigned Medicare billing, South Carolina enrollment
  • 112 clinicians in this Medicare group
Anesthesiology
206 2ND ST E
Bradenton, FL 34208
  • Reassigned Medicare billing, Colorado enrollment
  • 87 clinicians in this Medicare group
Anesthesiology
1440 MAIN ST
Waltham, MA 02451
  • Reassigned Medicare billing, Massachusetts enrollment
  • 90 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
50 STANIFORD ST
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 19 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
78 FAUNCE CORNER RD UNIT 560
Dartmouth, MA 02747
  • Reassigned Medicare billing, Massachusetts enrollment
  • 79 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
202 services184 patients
Anesthesia for retinal surgery 00145
Anesthesia for retinal surgery involves using medications to numb your eye and surrounding area. This prevents pain and discomfort during the procedure. You may also receive medication to help you relax. The anesthesia can be local (just your eye) or general (you're asleep).
22 services22 patients
Anesthesia for other procedure on eye 00140
Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.
17 services16 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80214 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Gastroenterology)
7000 W COLFAX AVE
LAKEWOOD, CO 80214
Internal Medicine (Gastroenterology)
7000 W COLFAX AVE
LAKEWOOD, CO 80214
Registered Nurse (Gastroenterology)
7000 W COLFAX AVE, #B
LAKEWOOD, CO 80214
Nurse Anesthetist, Certified Registered
7000 W COLFAX AVE
LAKEWOOD, CO 80214
Nurse Anesthetist, Certified Registered
7000 W COLFAX AVE
LAKEWOOD, CO 80214
Nurse Anesthetist, Certified Registered
7000 W COLFAX AVE
LAKEWOOD, CO 80214

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sarah Oss's NPI number?

The NPI number for Sarah Oss is 1194223628. It was assigned to this individual provider in the NPPES registry on January 30, 2018.

Where is Sarah Oss located?

Sarah Oss practices at 7000 W Colfax Ave, Lakewood, CO 80214. The listed phone number is (303) 996-1188.

What is Sarah Oss's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Sarah Oss enrolled in Medicare?

Yes. Sarah Oss is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Sarah Oss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Oss reassigns Medicare benefits to 8 organizations: Anesthesia Of The Rocky Mountains, LLC (Colorado Springs, CO), Veronox Anesthesia, LLC (Enterprise, AL), American Anesthesiology Associates Of Georgia, LLC (Stone Mountain, GA), Gastroenterology Associates, PA (Greenville, SC), Anesthesia Dynamics LLC (Bradenton, FL) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah Oss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sarah Oss was last updated on September 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.