ANDREW J DWORKIN MD
NPI 1851711972
Internal Medicine in Portland, OR
About Andrew J Dworkin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW J DWORKIN MD (NPI 1851711972) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (MD186966) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Andrew J Dworkin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Andrew Dworkin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 676 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 97211 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PORTLAND, OR 97211
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 Andrew Dworkin's NPI number?
The NPI number for Andrew Dworkin is 1851711972. It was assigned to this individual provider in the NPPES registry on April 17, 2014.
Where is Andrew Dworkin located?
Andrew Dworkin practices at 420 NE Mason St, Portland, OR 97211. The listed phone number is (503) 546-9292.
What is Andrew Dworkin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Andrew Dworkin enrolled in Medicare?
Yes. Andrew Dworkin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Andrew Dworkin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Dworkin reassigns Medicare benefits to Providence Health & Services - Oregon (Portland, OR). 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 Andrew Dworkin'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 Andrew Dworkin was last updated on October 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Andrew J Dworkin, MD · NPI 1851711972
Internal Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since April 17, 2014.
## Identity
- **NPI:** 1851711972 (Entity type: Individual)
- **Enumerated:** April 17, 2014
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD186966 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 420 NE MASON ST, Portland, OR 97211-3479
- **Phone:** (503) 546-9292
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Providence Health & Services - Oregon (NPI 1003991845, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 25, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1851711972) · Data from the CMS NPPES public registry.