DR. WEI FENG MD
NPI 1043277601
Internal Medicine - Endocrinology, Diabetes & Metabolism in South Pasadena, CA

Active since April 27, 2006PECOS EnrolledAccepts Medicare Assignment
99.12/100
CMS Quality Rating
209 FAIR OAKS AVE, SOUTH PASADENA, CA 91030(626) 396-2900(626) 799-2889 Get Directions Write a Review

NPPES record last updated: December 11, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 11, 2020, Apr 9, 2018, Jul 12, 2017 (3 updates tracked since 2017).

About Dr. Wei Feng Md NPPES

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

DR. WEI FENG MD (NPI 1043277601) is an individual endocrinology, diabetes & metabolism provider in South Pasadena, California, licensed in California (A51793) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Duarte, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1043277601
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. WEI FENGCredential: MD
Location Address209 FAIR OAKS AVESouth Pasadena, CA 91030-1814
Mailing AddressPo Box 512185Los Angeles, CA 90051-0185 · (626) 775-3514 · Fax (626) 218-5310
Fax(626) 799-2889
Sole ProprietorNo
Medical School CMSOtherGraduated 1987
Enumeration DateApril 27, 2006
Last NPPES UpdateDecember 11, 20203 updates tracked since enumeration
NPPES CertifiedDecember 11, 2020
NPI 1043277601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in CA · A51793
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License A51793 (CA)
209 FAIR OAKS AVE, South Pasadena, CA 91030

Secondary Practice Location 1

Location 11500 E Duarte RdDuarte, CA 91010 · Phone (626) 359-8111

Other Identifiers 1

Medicaid00A517930CA

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

Dr. Wei Feng 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 ID8729059027
PECOS Enrollment IDI20040802000810
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 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.

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.
6,480 services67 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.
956 services495 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
138 services77 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.
126 services126 patients
Injection, zoledronic acid, 1 mg J3489
Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.
100 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.
77 services47 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91030 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

99.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.23
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 9

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
3 suppliers30 claims387 services$17.83 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
3 suppliers31 claims1,062 services$2.36 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
45 suppliers191 claims447 services$5.95 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
5 suppliers13 claims13 services$2.69 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
31 suppliers103 claims126 services$1.02 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
3 suppliers29 claims29 services$291.96 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 (Hematology & Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Surgery (Surgical Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Surgery (Surgical Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Physician Assistant
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Surgery
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Internal Medicine (Hematology & Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Internal Medicine (Hematology & Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030
Internal Medicine (Hematology & Oncology)
209 FAIR OAKS AVE
SOUTH PASADENA, CA 91030

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 Wei Feng's NPI number?

The NPI number for Wei Feng is 1043277601. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is Wei Feng located?

Wei Feng practices at 209 Fair Oaks Ave, South Pasadena, CA 91030. The listed phone number is (626) 396-2900.

What is Wei Feng's specialty?

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

Is Wei Feng enrolled in Medicare?

Yes. Wei Feng 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.

When was this NPI record last updated?

The NPPES record for Wei Feng was last updated on December 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.