GREGORY TSAI GUFFANTI M.D
NPI 1972820967
Family Medicine in Milwaukie, OR

Active since April 29, 2010PECOS EnrolledAccepts Medicare Assignment
10330 SE 32ND AVE, 325, MILWAUKIE, OR 97222(503) 416-1960 Get Directions Write a Review

NPPES record last updated: April 20, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 20, 2020, Mar 31, 2016 (2 updates tracked since 2016).

About Gregory Tsai Guffanti M.d NPPES

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

GREGORY TSAI GUFFANTI M.D (NPI 1972820967) is an individual family medicine provider in Milwaukie, Oregon, licensed in Oregon (MD161630) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Providence Willamette Falls Medical Center, and is a graduate of Johns Hopkins University School Of Medicine (2010).

NPPES Registry Identity

NPI1972820967
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameGREGORY TSAI GUFFANTICredential: M.D
Location Address10330 SE 32ND AVE, 325Milwaukie, OR 97222-6587
Mailing Address7320 Sw Hunziker Rd Ste 300Portland, OR 97223-2302 · (503) 941-3033 · Fax (503) 747-7013
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2010
Enumeration DateApril 29, 2010
Last NPPES UpdateApril 20, 20202 updates tracked since enumeration
NPPES CertifiedApril 20, 2020
NPI 1972820967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in OR · MD161630
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
10330 SE 32ND AVE, Milwaukie, OR 97222

Other Identifiers 1

Medicaid500657023OR

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gregory Tsai Guffanti M.d 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 ID2062666340
PECOS Enrollment IDI20130719000517
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.

Hospital Affiliations CMS Care Compare 4

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

Providence Willamette Falls Medical Center

Acute Care Hospitals · Oregon City, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380038
Location1500 Division StreetOregon City, OR 97045 · Clackamas 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

Providence Milwaukie Hospital

Acute Care Hospitals · Milwaukie, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380082
Location10150 SE 32nd AvenueMilwaukie, OR 97222 · Clackamas County

Legacy Meridian Park Medical Center

Acute Care Hospitals · Tualatin, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380089
Location19300 SW 65th AvenueTualatin, OR 97062 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97222 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
$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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$13.11 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$57.57 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.

Internal Medicine
10330 SE 32ND AVE, SUITE 305
MILWAUKIE, OR 97222
General Practice
10330 SE 32ND AVE, STE 205
MILWAUKIE, OR 97222
Family Medicine
10330 SE 32ND AVE, SUITE 205
MILWAUKIE, OR 97222
Family Medicine (Geriatric Medicine)
10330 SE 32ND AVE
MILWAUKIE, OR 97222
Audiologist
10330 SE 32ND AVE, SUITE 105
MILWAUKIE, OR 97222
Registered Nurse
10330 SE 32ND AVE
MILWAUKIE, OR 97222
Family Medicine
10330 SE 32ND AVE, SUITE 205
MILWAUKIE, OR 97222
Family Medicine
10330 SE 32ND AVE, SUITE 205
MILWAUKIE, OR 97222

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 Gregory Guffanti's NPI number?

The NPI number for Gregory Guffanti is 1972820967. It was assigned to this individual provider in the NPPES registry on April 29, 2010.

Where is Gregory Guffanti located?

Gregory Guffanti practices at 10330 SE 32nd Ave 325, Milwaukie, OR 97222. The listed phone number is (503) 416-1960.

What is Gregory Guffanti's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Guffanti enrolled in Medicare?

Yes. Gregory Guffanti 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.

What insurance does Gregory Guffanti accept?

Health plans from Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Gregory Guffanti 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 Gregory Guffanti affiliated with any hospitals?

According to CMS data, Gregory Guffanti is affiliated with Providence Willamette Falls Medical Center, Providence Portland Medical Center, Providence Milwaukie Hospital and Legacy Meridian Park Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Guffanti was last updated on April 20, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.