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MARK HUNTINGTON WHITEFORD MD
NPI 1710970892
Colon & Rectal Surgery in Portland, OR

Active since August 24, 2005PECOS EnrolledAccepts Medicare Assignment
4805 NE GLISAN ST, SUITE 6N60, PORTLAND, OR 97213(503) 281-0561(503) 416-7377 Get Directions Write a Review

NPPES record last updated: May 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 13, 2026, Nov 6, 2024, Dec 7, 2023 and 1 more (4 updates tracked since 2021).

About Mark Huntington Whiteford Md NPPES

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

MARK HUNTINGTON WHITEFORD MD (NPI 1710970892) is an individual colon & rectal surgery provider in Portland, Oregon, licensed in Oregon (MD21976) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and maintains a secondary practice location in Beaverton.

NPPES Registry Identity

NPI1710970892
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameMARK HUNTINGTON WHITEFORDCredential: MD
Location Address4805 NE GLISAN ST, SUITE 6N60Portland, OR 97213-2933
Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801 · Fax (503) 963-2825
Phone(503) 281-0561
Fax(503) 416-7377
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 1991
Enumeration DateAugust 24, 2005
Last NPPES UpdateMay 13, 20264 updates tracked since enumeration
NPPES CertifiedMay 13, 2026
✔ NPI 1710970892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in OR · MD21976
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
Also ListedSurgeryTaxonomy 208600000X · License MD21976 (OR)
4805 NE GLISAN ST, Portland, OR 97213
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Secondary Practice Location 1

Location 111000 SW Stratus St Ste 205Beaverton, OR 97008-7104 · Phone (503) 281-0561 · Fax (503) 416-7377

Other Identifiers 2

Medicaid134196OR
Medicaid8245078WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.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

Mark Huntington Whiteford 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 ID4688669716
PECOS Enrollment IDI20040419000372
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 Mark Whiteford reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Health & Services - Oregon
Same address
Hematology & Oncology
4805 NE GLISAN ST STE 11N
Portland, OR 97213
  • Reassigned Medicare billing, Oregon enrollment
  • 1,501 clinicians in this Medicare group
NPI 1316197692 (503) 215-5696
The Oregon Clinic PC
1.6 mi
Specialist
541 NE 20TH AVE, SUITE 225
Portland, OR 97232
  • Reassigned Medicare billing, Oregon enrollment
  • 338 clinicians in this Medicare group
NPI 1265417174 (503) 963-2801

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 9

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
21 services20 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
14 services13 patients
Diagnostic exam of rectum and lower large bowel using an endoscope 45300
This procedure, known as a sigmoidoscopy, involves using a thin, flexible instrument called an endoscope to examine your lower large bowel and rectum. This helps in identifying any abnormalities or issues that could affect your digestive health.
13 services12 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
13 services13 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
13 services12 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
12 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Providence St Vincent Medical Center

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380004
Location9205 SW Barnes RoadPortland, OR 97225 · Washington County
Emergency services Birthing friendly

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380061
Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97213 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
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 14

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Skin barrier; solid, 4 x 4 or equivalent; each A4362
DME-Orthotic Devices · category DF010N
1 supplier15 claims575 services$3.06 avg. paid by Medicare
Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
3 suppliers32 claims1,155 services$4.79 avg. paid by Medicare
Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394
DME-Orthotic Devices · category DF010N
2 suppliers25 claims1,142 services$2.50 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
1 supplier11 claims620 services$8.45 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409
DME-Orthotic Devices · category DF010N
2 suppliers16 claims762 services$5.75 avg. paid by Medicare
Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each A4425
DME-Orthotic Devices · category DF010N
1 supplier16 claims690 services$3.46 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

SALONA SHRESTHA MD
Internal Medicine
4805 NE GLISAN ST
PORTLAND, OR 97213
Multnomah County (503) 215-2392
PROVIDENCE HEALTH & SERVICES - OREGON
General Acute Care Hospital
4805 NE GLISAN ST
PORTLAND, OR 97213
Multnomah County (503) 451-3000
DR. ROBERT THOMAS MARTIN M.D.
Emergency Medicine
4805 NE GLISAN ST
PORTLAND, OR 97213
Multnomah County (503) 297-6334
CECILIA BRADFORD CRNA
Nurse Anesthetist, Certified Registered
4805 NE GLISAN ST
PORTLAND, OR 97213
Multnomah County (503) 215-1111
PROVIDENCE HEALTH & SERVICES - OREGON
Psychiatric Unit
4805 NE GLISAN ST
PORTLAND, OR 97213
Multnomah County (503) 215-4323
GITA D GELFER DO
Hospitalist
4805 NE GLISAN ST, STE BG05
PORTLAND, OR 97213
Multnomah County (503) 215-2392
MECCA CARTER
Doula
4805 NE GLISAN ST
PORTLAND, OR 97213
Multnomah County (503) 215-1111
JESUS ERNESTO CONRIQUE GARCIA
Nurse's Aide
4805 NE GLISAN ST
PORTLAND, OR 97213
Multnomah County (503) 215-1111

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 Mark Whiteford's NPI number?

The NPI number for Mark Whiteford is 1710970892. It was assigned to this individual provider in the NPPES registry on August 24, 2005.

Where is Mark Whiteford located?

Mark Whiteford practices at 4805 NE Glisan St Suite 6n60, Portland, OR 97213. The listed phone number is (503) 281-0561.

What is Mark Whiteford's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Mark Whiteford enrolled in Medicare?

Yes. Mark Whiteford 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 Mark Whiteford's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Whiteford reassigns Medicare benefits to 2 organizations: Providence Health & Services - Oregon (Portland, OR) and The Oregon Clinic PC (Portland, 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 Mark Whiteford's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Whiteford accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Mark Whiteford 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 Mark Whiteford affiliated with any hospitals?

According to CMS data, Mark Whiteford is affiliated with Providence St Vincent Medical Center and Providence Portland Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Whiteford was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.