1. Home
  2. Directory
  3. Oregon
  4. Milwaukie
  5. General Practice
  6. NPI Profile

DR. AVIVA ZIGMAN MD
NPI 1013970060
General Practice in Milwaukie, OR

Active since April 10, 2006PECOS Enrolled
4560 SE INTERNATIONAL WAY STE 100, MILWAUKIE, OR 97222(971) 206-5164 Get Directions Write a Review

NPPES record last updated: March 27, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Aviva Zigman Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. AVIVA ZIGMAN MD (NPI 1013970060) is an individual general practice provider in Milwaukie, Oregon, licensed in Oregon (MD23025) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013970060
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameDR. AVIVA ZIGMANCredential: MD
Location Address4560 SE INTERNATIONAL WAY STE 100Milwaukie, OR 97222-4628
Mailing Address1150 Nw Quimby St Unit 1404Portland, OR 97209-2491 · (503) 516-1110
Phone(971) 206-5164
Sole ProprietorNo
Enumeration DateApril 10, 2006
Last NPPES UpdateMarch 27, 2024
NPPES CertifiedMarch 27, 2024
✔ NPI 1013970060 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in OR · MD23025
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedEmergency MedicineTaxonomy 207P00000X · License MD23025 (OR), MD00044976 (WA)
4560 SE INTERNATIONAL WAY STE 100, Milwaukie, OR 97222
Open in Google Maps ↗

Other Identifiers 5

Medicaid287416OR
Medicaid1040634WA
OtherP00301890Railroad Medicare
Other858543002Regence Bc/bs
MedicaidXPY206193CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aviva Zigman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Aviva Zigman reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marquis Clinical Services LLC
Same address
Geriatric Medicine
4560 SE INTERNATIONAL WAY, SUITE 100
Milwaukie, OR 97222
  • Reassigned Medicare billing, Oregon enrollment
  • 37 clinicians in this Medicare group
NPI 1710427810 (971) 206-5164
Cep America LLC
6.0 mi
Emergency Medicine
10123 SE MARKET ST
Portland, OR 97216
  • Reassigned Medicare billing, Oregon enrollment
  • 167 clinicians in this Medicare group
NPI 1063648665 (503) 251-6155
Good Shepherd Health Care System
163 mi
Pediatrics
600 NW 11TH ST STE E33
Hermiston, OR 97838
  • Reassigned Medicare billing, Oregon enrollment
  • 344 clinicians in this Medicare group
NPI 1336198159 (541) 667-3740
Dhhs Ihs Phoenix Area
921 mi
Critical Access
HIGHWAY 264 MILEPOST 388
Polacca, AZ 86042
  • Reassigned Medicare billing, Texas enrollment
  • 199 clinicians in this Medicare group
NPI 1356628028 (928) 737-6000
Commonwealth Healthcare Corporation
5,560 mi
End-Stage Renal Disease (ESRD) Treatment
1 LOWER NAVY HILL ROAD
Saipan, MP 96950
  • Reassigned Medicare billing, Northern Mariana Islands enrollment
  • 200 clinicians in this Medicare group
NPI 1285858290 (670) 234-8950

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 4

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.

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
28 services28 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
18 services17 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
13 services11 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
11 services11 patients

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.

EMILY MCCOY
Physical Therapy Assistant
4560 SE INTERNATIONAL WAY STE 100
MILWAUKIE, OR 97222
Clackamas County (971) 206-5202
MRS. MARLA E. STASIK NP
Nurse Practitioner (Adult Health)
4560 SE INTERNATIONAL WAY STE 100
MILWAUKIE, OR 97222
Clackamas County (971) 712-6863
LACIE FERRIS PTA
Physical Therapy Assistant
4560 SE INTERNATIONAL WAY STE 100
MILWAUKIE, OR 97222
Clackamas County (971) 206-5237
KAREN ELAINE BISHOP COTA
Occupational Therapy Assistant
4560 SE INTERNATIONAL WAY STE 100
MILWAUKIE, OR 97222
Clackamas County (800) 891-7575
ELYSS I FRISBEE CCC-SLP
Speech-Language Pathologist
4560 SE INTERNATIONAL WAY STE 100
MILWAUKIE, OR 97222
Clackamas County (541) 771-3066
MS. LESLIE KAREN FITZGERALD P.A.
Physician Assistant
4560 SE INTERNATIONAL WAY STE 100
MILWAUKIE, OR 97222
Clackamas County (971) 206-5179
PHILLIP CLARK PTA
Physical Therapy Assistant
4560 SE INTERNATIONAL WAY STE 100
MILWAUKIE, OR 97222
Clackamas County (812) 870-9822
ADAMS & GRAY, INC
Home Health
4560 SE INTERNATIONAL WAY STE 100
MILWAUKIE, OR 97222
Clackamas County (971) 206-5212

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 Aviva Zigman's NPI number?

The NPI number for Aviva Zigman is 1013970060. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is Aviva Zigman located?

Aviva Zigman practices at 4560 SE International Way Ste 100, Milwaukie, OR 97222. The listed phone number is (971) 206-5164.

What is Aviva Zigman's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Aviva Zigman enrolled in Medicare?

Yes. Aviva Zigman is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Aviva Zigman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aviva Zigman reassigns Medicare benefits to 5 organizations: Marquis Clinical Services LLC (Milwaukie, OR), Cep America LLC (Portland, OR), Good Shepherd Health Care System (Hermiston, OR), Dhhs Ihs Phoenix Area (Polacca, AZ) and Commonwealth Healthcare Corporation (Saipan, MP). 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 Aviva Zigman'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 Aviva Zigman was last updated on March 27, 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.