CARLIN S LONG MD
NPI 1881603769
Internal Medicine - Cardiovascular Disease in Denver, CO
About Carlin S Long Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARLIN S LONG MD (NPI 1881603769) is an individual cardiovascular disease provider in Denver, Colorado, licensed in Colorado (37070) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Carlin S Long 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 Reassignments
3Medicare enrollment records show Carlin Long reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 3
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 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.
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.
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 Carlin Long's NPI number?
The NPI number for Carlin Long is 1881603769. It was assigned to this individual provider in the NPPES registry on August 7, 2006.
Where is Carlin Long located?
Carlin Long practices at 777 Bannock St Mc 7782, Denver, CO 80204. The listed phone number is (303) 436-6000.
What is Carlin Long's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Carlin Long enrolled in Medicare?
Yes. Carlin Long 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 Carlin Long's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carlin Long reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). 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 Carlin Long'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 Carlin Long 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.
# Carlin S Long, MD · NPI 1881603769
Cardiovascular Disease physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since August 7, 2006.
## Identity
- **NPI:** 1881603769 (Entity type: Individual)
- **Enumerated:** August 7, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 37070 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 777 BANNOCK ST, MC 7782, Denver, CO 80204-4507
- **Phone:** (303) 436-6000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 1982
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicaid 56602073 (CO); Medicare ID-Type Unspecified D11203 (CO); Medicare UPIN A37575
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Source: [NPI Profile](https://npiprofile.com/npi/1881603769) · Data from the CMS NPPES public registry.