ALEX TROLENBERG
NPI 1437654720
Emergency Medicine in Albany, NY
About Alex Trolenberg NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX TROLENBERG (NPI 1437654720) is an individual emergency medicine provider in Albany, New York, licensed in New York (310257) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Ascension Ne Wisconsin - St Elizabeth Campus, and maintains a secondary practice location in Cooperstown.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Alex Trolenberg 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
9Medicare enrollment records show Alex Trolenberg reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Albany, NY 12208
- Reassigned Medicare billing, New York enrollment
- 1,640 clinicians in this Medicare group
Ballston Lake, NY 12019
- Reassigned Medicare billing, New York enrollment
- 456 clinicians in this Medicare group
Malta, NY 12020
- Reassigned Medicare billing, New York enrollment
- 103 clinicians in this Medicare group
Cobleskill, NY 12043
- Reassigned Medicare billing, New York enrollment
- 202 clinicians in this Medicare group
Cooperstown, NY 13326
- Reassigned Medicare billing, New York enrollment
- 1,052 clinicians in this Medicare group
Little Falls, NY 13365
- Reassigned Medicare billing, New York enrollment
- 202 clinicians in this Medicare group
Delhi, NY 13753
- Reassigned Medicare billing, New York enrollment
- 199 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Emergency Medicine Specialists Sc
- 244 clinicians in this Medicare group
Dededo, GU 96929
- Reassigned Medicare billing, Guam enrollment
- 432 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 5
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension NE Wisconsin - St Elizabeth Campus
Acute Care Hospitals · Appleton, WIWatertown Memorial Hospital
Acute Care Hospitals · Watertown, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12208 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.
ALBANY, NY 12208
ALBANY, NY 12208
ALBANY, NY 12208
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 Alex Trolenberg's NPI number?
The NPI number for Alex Trolenberg is 1437654720. It was assigned to this individual provider in the NPPES registry on March 28, 2018.
Where is Alex Trolenberg located?
Alex Trolenberg practices at 47 New Scotland Ave Dept Of Emergency Medicine, Albany, NY 12208. The listed phone number is (518) 262-4050.
What is Alex Trolenberg's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alex Trolenberg enrolled in Medicare?
Yes. Alex Trolenberg 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 Alex Trolenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Trolenberg reassigns Medicare benefits to 9 organizations: Albany Medical College (Albany, NY), Saratoga Hospital (Ballston Lake, NY), Healthcare Partners Of Saratoga Ltd (Malta, NY), Bassett Hospital Of Schoharie County (Cobleskill, NY), Mary Imogene Bassett Hospital (Cooperstown, NY) and 4 more organizations, listed in the Medicare section above. 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 Alex Trolenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Trolenberg accept?
Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and CareSource (Common Ground Healthcare) list Alex Trolenberg 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.
Is Alex Trolenberg affiliated with any hospitals?
According to CMS data, Alex Trolenberg is affiliated with Ascension NE Wisconsin - St Elizabeth Campus and Watertown Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Alex Trolenberg was last updated on February 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Alex Trolenberg · NPI 1437654720
Emergency Medicine physician in Albany, New York. Individual provider, active in the CMS NPPES registry since March 28, 2018.
## Identity
- **NPI:** 1437654720 (Entity type: Individual)
- **Enumerated:** March 28, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 310257 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 47 NEW SCOTLAND AVE, DEPT OF EMERGENCY MEDICINE, Albany, NY 12208-3412
- **Phone:** (518) 262-4050
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Albany Medical College (NPI 1497921688, Albany, NY); Saratoga Hospital (NPI 1437418795, Ballston Lake, NY); Healthcare Partners Of Saratoga Ltd (NPI 1700159613, Malta, NY); Bassett Hospital Of Schoharie County (NPI 1891862579, Cobleskill, NY); Mary Imogene Bassett Hospital (NPI 1083664221, Cooperstown, NY); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of Ny Upstate Medical University, class of 2018
## Record status
- **NPPES last updated:** February 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1437654720) · Data from the CMS NPPES public registry.