JAMES LESTER NEIFING MD
NPI 1437207941
Internal Medicine - Endocrinology, Diabetes & Metabolism in Portland, OR

Active since January 08, 2007PECOS EnrolledAccepts Medicare Assignment
19.79/100
CMS Quality Rating
9135 SW BARNES RD STE 985, PORTLAND, OR 97225(503) 297-3336(503) 297-3338 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 7, 2023, Mar 16, 2020, Mar 29, 2018 (3 updates tracked since 2018).

About James Lester Neifing Md NPPES

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

JAMES LESTER NEIFING MD (NPI 1437207941) is an individual endocrinology, diabetes & metabolism provider in Portland, Oregon, licensed in Oregon (MD15260) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1437207941
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameJAMES LESTER NEIFINGCredential: MD
Location Address9135 SW BARNES RD STE 985Portland, OR 97225-6699
Mailing Address9135 Sw Barnes Rd Ste 985Portland, OR 97225-6699 · (503) 297-3336 · Fax (503) 297-3338
Fax(503) 297-3338
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateJanuary 8, 2007
Last NPPES UpdateMarch 7, 20233 updates tracked since enumeration
NPPES CertifiedMarch 16, 2020
NPI 1437207941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in OR · MD15260
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
9135 SW BARNES RD STE 985, Portland, OR 97225

Other Identifiers 1

Medicaid032941OR

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

James Lester Neifing 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 ID8426130303
PECOS Enrollment IDI20100316000285
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.

Areas of Expertise CMS Part B claims 23

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.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
4,500 services47 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
652 services373 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
608 services354 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
552 services324 patients
Ldl cholesterol level 83721
The LDL cholesterol level is a test that measures the amount of low-density lipoprotein (LDL) in your blood. LDL is often referred to as 'bad cholesterol' because high levels can lead to heart disease. Regular testing helps monitor and manage your heart health.
532 services319 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
478 services279 patients

Hospital Affiliations CMS Care Compare 5

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

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

Legacy Good Samaritan Medical Center

Acute Care Hospitals · Portland, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380017
Location1015 NW 22nd Avenue, W121Portland, OR 97210 · Multnomah 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

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 97225 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

19.79/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost65.99

Referred Medical Equipment & Supplies CMS DME claims 7

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
7 suppliers58 claims713 services$17.77 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
7 suppliers58 claims1,800 services$2.31 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
38 suppliers100 claims418 services$6.12 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
8 suppliers15 claims31 services$1.14 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
4 suppliers33 claims33 services$312.68 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
11 suppliers39 claims5,200 services$7.27 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 12

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
9135 SW BARNES RD STE 985
PORTLAND, OR 97225
Nurse Practitioner
9135 SW BARNES RD STE 985
PORTLAND, OR 97225
Internal Medicine (Endocrinology, Diabetes & Metabolism)
9135 SW BARNES RD STE 985
PORTLAND, OR 97225
Internal Medicine (Endocrinology, Diabetes & Metabolism)
9135 SW BARNES RD STE 985
PORTLAND, OR 97225
Internal Medicine (Endocrinology, Diabetes & Metabolism)
9135 SW BARNES RD STE 985
PORTLAND, OR 97225
Nurse Practitioner (Family)
9135 SW BARNES RD STE 985
PORTLAND, OR 97225
Physician Assistant
9135 SW BARNES RD STE 985
PORTLAND, OR 97225
Internal Medicine (Endocrinology, Diabetes & Metabolism)
9135 SW BARNES RD STE 985
PORTLAND, OR 97225

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 James Neifing's NPI number?

The NPI number for James Neifing is 1437207941. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is James Neifing located?

James Neifing practices at 9135 SW Barnes Rd Ste 985, Portland, OR 97225. The listed phone number is (503) 297-3336.

What is James Neifing's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is James Neifing enrolled in Medicare?

Yes. James Neifing 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 James Neifing accept?

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

According to CMS data, James Neifing is affiliated with Providence St Vincent Medical Center, Ohsu Hospital And Clinics, Legacy Good Samaritan Medical Center, Providence Portland Medical Center and Legacy Meridian Park Medical Center.

When was this NPI record last updated?

The NPPES record for James Neifing was last updated on March 7, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.