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DR. DEREK L WHIDDON MD
NPI 1629021381
Anesthesiology in Englewood, CO

Active since May 17, 2006PECOS Enrolled
97.58/100
CMS Quality Rating
333 W. HAMPDEN AVE., SUITE 600, ENGLEWOOD, CO 80110(303) 761-5646(303) 761-9280 Get Directions Write a Review

NPPES record last updated: March 28, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Derek L Whiddon Md NPPES

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

DR. DEREK L WHIDDON MD (NPI 1629021381) is an individual anesthesiology provider in Englewood, Colorado, licensed in Colorado (46408) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Denver.

NPPES Registry Identity

NPI1629021381
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. DEREK L WHIDDONCredential: MD
Location Address333 W. HAMPDEN AVE., SUITE 600Englewood, CO 80110-2336
Mailing Address333 W. Hampden Ave., Suite 600Englewood, CO 80110-2336 · (303) 761-5646 · Fax (303) 761-9280
Phone(303) 761-5646
Fax(303) 761-9280
Sole ProprietorNo
Enumeration DateMay 17, 2006
Last NPPES UpdateMarch 28, 2023
NPPES CertifiedMarch 28, 2023
✔ NPI 1629021381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CO · 46408✔ Licensed in NE · 4626
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.
333 W. HAMPDEN AVE., Englewood, CO 80110
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Secondary Practice Location 1

Location 110350 E Dakota AveDenver, CO 80247-1314 · Phone (303) 338-4545

Other Identifiers 2

Medicaid47078557501NE
Medicaid18701752CO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Derek L Whiddon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Derek Whiddon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wainui PC
5.1 mi
Anesthesiology
3 LARKDALE DR
Littleton, CO 80123
  • Reassigned Medicare billing, Colorado enrollment
  • 9 clinicians in this Medicare group
NPI 1457132292 (303) 422-9438

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

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.

DR. WENDY K HERHAHN MD
Anesthesiology
333 W. HAMPDEN AVE., SUITE 600
ENGLEWOOD, CO 80110
Arapahoe County (303) 761-5646
DR. JEFFREY B DOBYNS DO
Anesthesiology
333 W. HAMPDEN AVE., SUITE 600
ENGLEWOOD, CO 80110
Arapahoe County (303) 761-5646
DR. VIKRAM P PATEL MD
Anesthesiology
333 W. HAMPDEN AVE., SUITE 600
ENGLEWOOD, CO 80110
Arapahoe County (303) 761-5646
DR. ALYSSA K HAMMAN MD
Anesthesiology
333 W. HAMPDEN AVE., SUITE 600
ENGLEWOOD, CO 80110
Arapahoe County (303) 761-5646
DR. JAN KARASEK MD
Anesthesiology
333 W. HAMPDEN AVE., SUITE 600
ENGLEWOOD, CO 80110
Arapahoe County (303) 761-5646
DR. KARTHIK T REDDY MD
Anesthesiology
333 W. HAMPDEN AVE., SUITE 600
ENGLEWOOD, CO 80110
Arapahoe County (303) 761-5646
DR. KAYLYN GRESH KRUMMEN MD
Anesthesiology
333 W. HAMPDEN AVE., SUITE 600
ENGLEWOOD, CO 80110
Arapahoe County (303) 761-5646
DR. PAUL ZELENKOV MD
Anesthesiology
333 W. HAMPDEN AVE., SUITE 600
ENGLEWOOD, CO 80110
Arapahoe County (303) 761-5646

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 Derek Whiddon's NPI number?

The NPI number for Derek Whiddon is 1629021381. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Derek Whiddon located?

Derek Whiddon practices at 333 W. Hampden Ave. Suite 600, Englewood, CO 80110. The listed phone number is (303) 761-5646.

What is Derek Whiddon's specialty?

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

Is Derek Whiddon enrolled in Medicare?

Yes. Derek Whiddon is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Derek Whiddon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derek Whiddon reassigns Medicare benefits to Wainui PC (Littleton, 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 Derek Whiddon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Derek Whiddon accept?

Health plans from Oscar Health and Oscar Insurance Company list Derek Whiddon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Derek Whiddon was last updated on March 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.