1. Home
  2. Directory
  3. Arizona
  4. Chandler
  5. Dermatology
  6. NPI Profile

DR. KATHERINE KAR-HWEE QUAN M.D.
NPI 1629051917
Dermatology - MOHS-Micrographic Surgery in Chandler, AZ

Active since November 21, 2005PECOS EnrolledAccepts Medicare Assignment
82.4/100
CMS Quality Rating
1100 S DOBSON RD STE 223, CHANDLER, AZ 85286(480) 821-8888(480) 821-0888 Get Directions Write a Review

NPPES record last updated: December 30, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 30, 2020, Mar 2, 2018 (2 updates tracked since 2018).

About Dr. Katherine Kar-hwee Quan M.d. NPPES

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

DR. KATHERINE KAR-HWEE QUAN M.D. (NPI 1629051917) is an individual mohs-micrographic surgery provider in Chandler, Arizona, licensed in Arizona (25345) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (1992).

NPPES Registry Identity

NPI1629051917
Entity TypeIndividualFemale
Primary Taxonomy207ND0101X
Provider Legal NameDR. KATHERINE KAR-HWEE QUANCredential: M.D.
Location Address1100 S DOBSON RD STE 223Chandler, AZ 85286-6160
Mailing Address1100 S Dobson Rd Ste 223Chandler, AZ 85286-6160 · (480) 821-8888 · Fax (480) 821-0888
Phone(480) 821-8888
Fax(480) 821-0888
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1992
Enumeration DateNovember 21, 2005
Last NPPES UpdateDecember 30, 20202 updates tracked since enumeration
NPPES CertifiedDecember 30, 2020
✔ NPI 1629051917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207ND0101X
License✔ Licensed in AZ · 25345
Definition
The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.
Also ListedDermatologyTaxonomy 207N00000X · License 25345 (AZ)
1100 S DOBSON RD STE 223, Chandler, AZ 85286
Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. Katherine Kar-hwee Lim M.d.

Other Identifiers 4

Other86080015085259A375AZ · Triwest
Other41-2054293AZ · Tax-id
Other070011301AZ · Railroad Medicare
Medicaid385551AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health Plan of Arizona, Inc., Imperial Insurance Companies, Inc..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

Dr. Katherine Kar-hwee Quan 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 ID8921145921
PECOS Enrollment IDI20091023000371
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 8

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.

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 17311
This procedure involves the careful removal of a growth from the head, neck, hands, or feet. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to study its characteristics and determine the nature of the growth.
197 services175 patients
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 17312
This procedure involves the careful removal of abnormal growths from the head, neck, hands, or feet. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any irregularities. The process may be carried out in multiple stages for thorough examination.
69 services60 patients
Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks 17313
This procedure involves the removal of a growth from your trunk, arms, or legs. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to identify any abnormalities. This helps in diagnosing and planning further treatment.
66 services61 patients
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032
This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.
56 services54 patients
Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm 12052
This procedure involves repairing a wound on the face, ears, eyelids, nose, lips, or mouth that measures between 2.6-5.0 cm. The process includes cleaning, suturing if necessary, and dressing the wound to promote healing and prevent infection.
44 services43 patients
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.
28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85286 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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.

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.

82.4/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.52
Promoting Interoperability96
Improvement Activities40
Cost70.16

Other Providers at the Same Location NPPES 6

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

MRS. AMANDA JEAN LAMANNA PA-C
Physician Assistant
1100 S DOBSON RD STE 223
CHANDLER, AZ 85286
Maricopa County (480) 821-8888
JACOB GAARE PA-C
Physician Assistant
1100 S DOBSON RD STE 223
CHANDLER, AZ 85286
Maricopa County (480) 821-8888
EAST VALLEY DERMATOLOGY CENTER
Dermatology
1100 S DOBSON RD STE 223
CHANDLER, AZ 85286
Maricopa County (480) 821-8888
MS. ROSEMARY JANET GEARY M.D.
Dermatology
1100 S DOBSON RD STE 223
CHANDLER, AZ 85286
Maricopa County (480) 821-8888
DR. MICHELLE L JEFFRIES D.O.
Dermatology (Pediatric Dermatology)
1100 S DOBSON RD STE 223
CHANDLER, AZ 85286
Maricopa County (480) 821-8888
MS. CASSANDRA LYNNE SHORE P.A.
Physician Assistant (Medical)
1100 S DOBSON RD STE 223
CHANDLER, AZ 85286
Maricopa County (480) 821-8888

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 Katherine Quan's NPI number?

The NPI number for Katherine Quan is 1629051917. It was assigned to this individual provider in the NPPES registry on November 21, 2005. The provider is also known as Dr. Katherine Kar-Hwee Lim M.D..

Where is Katherine Quan located?

Katherine Quan practices at 1100 S Dobson Rd Ste 223, Chandler, AZ 85286. The listed phone number is (480) 821-8888.

What is Katherine Quan's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Is Katherine Quan enrolled in Medicare?

Yes. Katherine Quan 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 Katherine Quan accept?

Health plans from Antidote Health Plan of Arizona, Inc. and Imperial Insurance Companies, Inc. list Katherine Quan 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.

When was this NPI record last updated?

The NPPES record for Katherine Quan was last updated on December 30, 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.