MS. CYNTHIA K RAU-SOBOTKA CRNA
NPI 1699746107
Nurse Anesthetist, Certified Registered in Denver, CO

Active since February 01, 2006PECOS EnrolledAccepts Medicare Assignment
4231 W 16TH AVE, DENVER, CO 80204(719) 537-0712(719) 537-6284 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Cynthia K Rau-sobotka Crna NPPES

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

MS. CYNTHIA K RAU-SOBOTKA CRNA (NPI 1699746107) is an individual nurse anesthetist, certified registered in Denver, Colorado, licensed in Colorado (79222) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1699746107
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMS. CYNTHIA K RAU-SOBOTKACredential: CRNA
Location Address4231 W 16TH AVEDenver, CO 80204-1335
Mailing AddressPo Box 150Holly, CO 81047-0150 · (719) 537-0712 · Fax (719) 537-6284
Fax(719) 537-6284
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateFebruary 1, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1699746107 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CO · 79222
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.
4231 W 16TH AVE, Denver, CO 80204

Other Identifiers 1

Medicaid17573882CO

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

Ms. Cynthia K Rau-sobotka 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 ID6204009160
PECOS Enrollment IDI20111109000625
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

7

Medicare enrollment records show Cynthia Rau-sobotka reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
1707 COLE BLVD STE 100
Golden, CO 80401
  • Reassigned Medicare billing, Colorado enrollment
  • 314 clinicians in this Medicare group
Anesthesiology
3000 S JAMAICA CT STE 140
Aurora, CO 80014
  • Reassigned Medicare billing, Colorado enrollment
  • 99 clinicians in this Medicare group
Anesthesiology
4606 JACKSON CREEK RD
Sedalia, CO 80135
  • Reassigned Medicare billing, Colorado enrollment
  • 79 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
6031 E WOODMEN RD STE 100
Colorado Springs, CO 80923
  • Reassigned Medicare billing, Colorado enrollment
  • 31 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
3920 N UNION BLVD STE 240
Colorado Springs, CO 80907
  • Reassigned Medicare billing, Colorado enrollment
  • 28 clinicians in this Medicare group
Gastroenterology
2920 N CASCADE AVE STE 301
Colorado Springs, CO 80907
  • Reassigned Medicare billing, Colorado enrollment
  • 93 clinicians in this Medicare group
Gastroenterology
1600 N GRAND AVE, SUITE 440
Pueblo, CO 81003
  • Reassigned Medicare billing, Colorado enrollment
  • 8 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 2

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.
60 services60 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 80204 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 20

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

Nurse Anesthetist, Certified Registered
4231 W 16TH AVE
DENVER, CO 80204
Nurse Anesthetist, Certified Registered
4231 W 16TH AVE
DENVER, CO 80204
Family Medicine
4231 W 16TH AVE
DENVER, CO 80204
Anesthesiology
4231 W 16TH AVE
DENVER, CO 80204
Registered Nurse
4231 W 16TH AVE
DENVER, CO 80204
Nurse Anesthetist, Certified Registered
4231 W 16TH AVE
DENVER, CO 80204
Anesthesiology
4231 W 16TH AVE
DENVER, CO 80204
Anesthesiology
4231 W 16TH AVE
DENVER, CO 80204

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 Cynthia Rau-sobotka's NPI number?

The NPI number for Cynthia Rau-sobotka is 1699746107. It was assigned to this individual provider in the NPPES registry on February 1, 2006.

Where is Cynthia Rau-sobotka located?

Cynthia Rau-sobotka practices at 4231 W 16th Ave, Denver, CO 80204. The listed phone number is (719) 537-0712.

What is Cynthia Rau-sobotka's specialty?

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

Is Cynthia Rau-sobotka enrolled in Medicare?

Yes. Cynthia Rau-sobotka 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 Cynthia Rau-sobotka's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Rau-sobotka reassigns Medicare benefits to 7 organizations: Optumcare Colorado Medical Group LLC (Golden, CO), Cpr Anesthesia, Inc (Aurora, CO), Diehl Anesthesia Inc (Sedalia, CO), Epix Anesthesia Of Colorado Springs, LLC (Colorado Springs, CO), Novamed Surgery Center Of Colorado Springs LLC (Colorado Springs, CO) and 2 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 Cynthia Rau-sobotka'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 Cynthia Rau-sobotka was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.