DOROTHY ELIZABETH LOY MD, PHD
NPI 1255960423
Hospitalist in Aurora, CO
About Dorothy Elizabeth Loy Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOROTHY ELIZABETH LOY MD, PHD (NPI 1255960423) is an individual hospitalist provider in Aurora, Colorado, licensed in Colorado (DR.0070697) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Aurora, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2020).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dorothy Elizabeth Loy Md, Phd 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.
Medicare Billing Reassignment
Medicare enrollment records show Dorothy Loy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lakewood, CO 80228
- Reassigned Medicare billing, Colorado enrollment
- 67 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
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 Dorothy Loy's NPI number?
The NPI number for Dorothy Loy is 1255960423. It was assigned to this individual provider in the NPPES registry on April 8, 2020.
Where is Dorothy Loy located?
Dorothy Loy practices at 12605 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 848-0000.
What is Dorothy Loy's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Dorothy Loy enrolled in Medicare?
Yes. Dorothy Loy 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 organization bills Medicare for Dorothy Loy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dorothy Loy reassigns Medicare benefits to Critical Care Pulmonary And Sleep Associates Professional LLP (Lakewood, 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 Dorothy Loy'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 Dorothy Loy was last updated on June 13, 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.
# Dorothy Elizabeth Loy, MD, PHD · NPI 1255960423
Hospitalist physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since April 8, 2020.
## Identity
- **NPI:** 1255960423 (Entity type: Individual)
- **Enumerated:** April 8, 2020
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** DR.0070697 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 12605 E 16TH AVE, Aurora, CO 80045-2545
- **Phone:** (720) 848-0000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Critical Care Pulmonary And Sleep Associates Professional LLP (NPI 1437100039, Lakewood, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2020
## Record status
- **NPPES last updated:** June 13, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1255960423) · Data from the CMS NPPES public registry.