DR. NATHANIEL JAMES HOCKER MD
NPI 1093372682
Internal Medicine - Nephrology in Portland, OR

Active since May 20, 2019PECOS EnrolledAccepts Medicare Assignment
3181 SW SAM JACKSON PARK RD DEPT OF, PORTLAND, OR 97239(503) 494-8311 Get Directions Write a Review

NPPES record last updated: August 21, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 21, 2024, Jul 6, 2022, May 20, 2019 (3 updates tracked since 2019).

About Dr. Nathaniel James Hocker Md NPPES

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

DR. NATHANIEL JAMES HOCKER MD (NPI 1093372682) is an individual nephrology provider in Portland, Oregon, licensed in Oregon (MD221174) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1093372682
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. NATHANIEL JAMES HOCKERCredential: MD
Location Address3181 SW SAM JACKSON PARK RD DEPT OFPortland, OR 97239-3011
Mailing Address3181 Sw Sam Jackson Park RdPortland, OR 97239-3011 · (503) 494-8311
Sole ProprietorNo
Medical School CMSSouthern Illinois University School Of MedicineGraduated 2019
Enumeration DateMay 20, 2019
Last NPPES UpdateAugust 21, 20243 updates tracked since enumeration
NPPES CertifiedAugust 21, 2024
✔ NPI 1093372682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in OR · MD221174
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License R-11499 (IA), MD221174 (OR)
3181 SW SAM JACKSON PARK RD DEPT OF, Portland, OR 97239

Secondary Practice Locations 2

Location 1200 Hawkins Dr, Department of Internal MedicineIowa City, IA 52242-1009 · Phone (319) 467-2000
Location 23181 SW Sam Jackson Park Rd Dept OfPortland, OR 97239-3011 · Phone (503) 494-8311

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

Dr. Nathaniel James Hocker 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.

PECOS PAC ID2860727534
PECOS Enrollment IDI20240726001307
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

2

Medicare enrollment records show Nathaniel Hocker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
3181 SW SAM JACKSON PARK RD
Portland, OR 97239
  • Reassigned Medicare billing, Oregon enrollment
  • 2,212 clinicians in this Medicare group
Critical Access
550 22ND ST
Astoria, OR 97103
  • Reassigned Medicare billing, Oregon enrollment
  • Also billed through NPI 1134146939 (Oregon)
  • 278 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

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
35 services18 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Hillsboro Medical Center

Acute Care Hospitals · Hillsboro, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380021
Location335 SE 8th AvenueHillsboro, OR 97123 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Vascular & Interventional Radiology)
3181 SW SAM JACKSON PARK RD DEPT OF
PORTLAND, OR 97239
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD DEPT OF
PORTLAND, OR 97239

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 Nathaniel Hocker's NPI number?

The NPI number for Nathaniel Hocker is 1093372682. It was assigned to this individual provider in the NPPES registry on May 20, 2019.

Where is Nathaniel Hocker located?

Nathaniel Hocker practices at 3181 SW Sam Jackson Park Rd Dept Of, Portland, OR 97239. The listed phone number is (503) 494-8311.

What is Nathaniel Hocker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Nathaniel Hocker enrolled in Medicare?

Yes. Nathaniel Hocker 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 Nathaniel Hocker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Hocker reassigns Medicare benefits to 2 organizations: University Professional Services (Portland, OR) and Columbia Lutheran Charities (Astoria, OR). 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 Nathaniel Hocker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathaniel Hocker accept?

Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Nathaniel Hocker 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 Nathaniel Hocker affiliated with any hospitals?

According to CMS data, Nathaniel Hocker is affiliated with Ohsu Hospital And Clinics and Hillsboro Medical Center.

When was this NPI record last updated?

The NPPES record for Nathaniel Hocker was last updated on August 21, 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.