1. Home
  2. Directory
  3. Colorado
  4. Golden
  5. Anesthesiology
  6. NPI Profile

LILLIAN NOSOW MD
NPI 1427787886
Anesthesiology in Golden, CO

Active since June 09, 2022PECOS Enrolled
12911 W 40TH AVE, GOLDEN, CO 80401(303) 425-4500 Get Directions Write a Review

NPPES record last updated: April 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 17, 2026, Jun 9, 2022 (2 updates tracked since 2022).

About Lillian Nosow Md NPPES

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

LILLIAN NOSOW MD (NPI 1427787886) is an individual anesthesiology provider in Golden, Colorado, licensed in Colorado (DR.0077422) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Ann Arbor, and is a graduate of University Of Michigan Medical School (2026).

NPPES Registry Identity

NPI1427787886
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameLILLIAN NOSOWCredential: MD
Location Address12911 W 40TH AVEGolden, CO 80401-2696
Mailing Address12911 W 40th AveGolden, CO 80401-2696
Phone(303) 425-4500
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2026
Enumeration DateJune 9, 2022
Last NPPES UpdateApril 17, 20262 updates tracked since enumeration
NPPES CertifiedApril 17, 2026
✔ NPI 1427787886 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CO · DR.0077422
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
12911 W 40TH AVE, Golden, CO 80401
Open in Google Maps ↗

Secondary Practice Location 1

Location 11500 E Medical Center DrAnn Arbor, MI 48109-5000 · Phone (734) 936-4280

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lillian Nosow Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4082093778
PECOS Enrollment IDI20260612000722
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 Reassignment

Medicare enrollment records show Lillian Nosow reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physician Anesthesia Services PC
Same address
Anesthesiology
12911 W 40TH AVE
Golden, CO 80401
  • Reassigned Medicare billing, Colorado enrollment
  • 171 clinicians in this Medicare group
NPI 1861476590 (330) 321-6552

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

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.

JARED LEGRAND KENNEDY
Advanced Practice Midwife
12911 W 40TH AVE
GOLDEN, CO 80401
Jefferson County (303) 425-4500
JOHN DOUGLAS HOWARD MD
Anesthesiology
12911 W 40TH AVE
GOLDEN, CO 80401
Jefferson County (303) 425-4500
ABIGAIL FRIEDT PHARMD
Pharmacist
12911 W 40TH AVE
LAKEWOOD, CO 80401
Jefferson County (303) 425-4500
INTERMOUNTAIN FRONT RANGE, INC.
Internal Medicine
12911 W 40TH AVE
WHEAT RIDGE, CO 80401
Jefferson County (303) 425-4500
MAGDELYN COLE PHARMD
Pharmacist
12911 W 40TH AVE
GOLDEN, CO 80401
Jefferson County (303) 264-2709
ALEXANDER FAN SHU MD
Anesthesiology
12911 W 40TH AVE
GOLDEN, CO 80401
Jefferson County (303) 425-4500
LEIGH ANNE SMITH
Nurse Anesthetist, Certified Registered
12911 W 40TH AVE
GOLDEN, CO 80401
Jefferson County (720) 516-1000
DR. LUCINE PAPAZIAN DO
Anesthesiology
12911 W 40TH AVE
GOLDEN, CO 80401
Jefferson County (303) 425-4500

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 Lillian Nosow's NPI number?

The NPI number for Lillian Nosow is 1427787886. It was assigned to this individual provider in the NPPES registry on June 9, 2022.

Where is Lillian Nosow located?

Lillian Nosow practices at 12911 W 40th Ave, Golden, CO 80401. The listed phone number is (303) 425-4500.

What is Lillian Nosow's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Lillian Nosow enrolled in Medicare?

Yes. Lillian Nosow is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lillian Nosow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lillian Nosow reassigns Medicare benefits to Physician Anesthesia Services PC (Golden, CO). The 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 Lillian Nosow'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 Lillian Nosow was last updated on April 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.