Nathaniel S. Baer, MD

Individual provider Active NPI Internal Medicine Physician · Vestal, NY

NPI 1386987030 · NPPES record last updated Sep 11, 2025

Key facts

NPI
1386987030
Entity type
Individual (NPI type 1)
Primary specialty
Internal Medicine Physician 207R00000X
License
60666892 (WA)
Practice address
4433 Vestal Pkwy E
Vestal, NY 13850-3556
Phone
(607) 771-2220
NPI assigned
Apr 1, 2013
Sex
Male
Sole proprietor
No

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Medicare Care Compare profile

Specialty
Internal Medicine
Education
University of Washington School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Kaiser Foundation Health Plan of the Northwest (1,805 clinicians)

Practice addresses (Care Compare)

9800 SE Sunnyside Rd
Clackamas, OR 97015-9750
Phone (800) 813-2000

Medicare participation

Medicare fee-for-service enrollment
Enrolled (2 enrollments) in OR, WA
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20160927000253 OR Practitioner - Internal Medicine 0143461657 Reassigns benefits to 1 organization
I20180920003486 WA Practitioner - Internal Medicine 0143461657 Reassigns benefits to 1 organization

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD176800ORMDInternal Medicine Physician
60666892WAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kaiser Foundation Health Plan of the Northwest Current
since Aug 9, 2016
Accepting new patients
Kaiser Foundation Health Plan of the Northwest Internal Medicine Current Accepting new patients
Kaiser Foundation Health Plan of the Northwest Internal Medicine Current
since Aug 9, 2016
Accepting new patients
Kaiser Foundation Health Plan of the Northwest Internal Medicine Current
since Aug 13, 2018
Accepting new patients

Locations

10100 SE Sunnyside Rd
Clackamas, OR 97015
Phone (503) 571-2946

9800 SE Sunnyside Rd
Clackamas, OR 97015
Phone (503) 571-2457

9800 SE Sunnyside Rd
Ofc
Clackamas, OR 97015
Phone (503) 571-3018

2400 Lancaster Dr NE
Salem, OR 97305
Phone (503) 361-5400

1230 7th Ave
Longview, WA 98632
Phone (360) 575-4801

1615 Delaware St
Longview, WA 98632
Phone (360) 363-4818

7101 NE 137th Ave
Vancouver, WA 98682
Phone (360) 418-6000

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 60666892 WA Yes
Internal Medicine Physician 207R00000X MD176800 OR

Addresses

Primary practice location

4433 Vestal Pkwy E
Vestal, NY 13850-3556

Mailing address

4433 Vestal Pkwy E
Vestal, NY 13850-3556
Phone (607) 771-2220

Other practice location 1

9800 SE Sunnyside Rd
Clackamas, OR 97015-9750
Phone (503) 571-2457

Other identifiers

IdentifierTypeStateIssuer
60666892OtherWAWASHINGTON MEDICAL LICENSE
MD176800OtherOROREGON MEDICAL LICENSE

Other providers in Vestal, NY

All providers in Vestal, NY · Internal Medicine Physician in New York

Sources for this page

Verify at the official NPI Registry.