DR. ALAN JONATHON WEINSTEIN MD
NPI 1881654267
Internal Medicine - Endocrinology, Diabetes & Metabolism in Denver, CO
About Dr. Alan Jonathon Weinstein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALAN JONATHON WEINSTEIN MD (NPI 1881654267) is an individual endocrinology, diabetes & metabolism provider in Denver, Colorado, licensed in Colorado (47565) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Dr. Alan Jonathon Weinstein Md 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 Alan Weinstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80247
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: Colorado Permanente Medical Group PC
- 1,715 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80205 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
DENVER, CO 80205
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 Alan Weinstein's NPI number?
The NPI number for Alan Weinstein is 1881654267. It was assigned to this individual provider in the NPPES registry on March 28, 2006.
Where is Alan Weinstein located?
Alan Weinstein practices at 1375 E 20th Ave, Denver, CO 80205. The listed phone number is (303) 338-4545.
What is Alan Weinstein's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Alan Weinstein enrolled in Medicare?
Yes. Alan Weinstein 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 Alan Weinstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Weinstein reassigns Medicare benefits to Colorado Permanente Medical Group, P.C. (Denver, 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 Alan Weinstein'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 Alan Weinstein was last updated on October 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.
# Dr. Alan Jonathon Weinstein, MD · NPI 1881654267
Endocrinology, Diabetes & Metabolism physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since March 28, 2006.
## Identity
- **NPI:** 1881654267 (Entity type: Individual)
- **Enumerated:** March 28, 2006
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 47565 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1375 E 20TH AVE, Denver, CO 80205-5422
- **Phone:** (303) 338-4545
## 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:** Colorado Permanente Medical Group, P.C. (NPI 1760599724, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** October 3, 2026
- **Other identifiers:** Other 029348 (CO); Medicaid 9000196734 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1881654267) · Data from the CMS NPPES public registry.