1. Home
  2. Directory
  3. California
  4. La Jolla
  5. Internal Medicine
  6. NPI Profile

WUN-LING CHANG M.D.
NPI 1194734111
Internal Medicine - Infectious Disease in La Jolla, CA

Active since August 07, 2006PECOS EnrolledAccepts Medicare Assignment
9888 GENESEE AVE, LA JOLLA, CA 92037(858) 202-1736(858) 202-1796 Get Directions Write a Review

NPPES record last updated: January 27, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Wun-ling Chang M.d. NPPES

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

WUN-LING CHANG M.D. (NPI 1194734111) is an individual infectious disease provider in La Jolla, California, licensed in California (G86459) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (1988).

NPPES Registry Identity

NPI1194734111
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameWUN-LING CHANGCredential: M.D.
Location Address9888 GENESEE AVELa Jolla, CA 92037-1205
Mailing Address3525 Del Mar Heights Rd # 453San Diego, CA 92130-2122 · (858) 202-1736 · Fax (858) 202-1796
Phone(858) 202-1736
Fax(858) 202-1796
Sole ProprietorYes
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 1988
Enumeration DateAugust 7, 2006
Last NPPES UpdateJanuary 27, 2008
✔ NPI 1194734111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · G86459
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
9888 GENESEE AVE, La Jolla, CA 92037
Open in Google Maps ↗

Other Identifiers 4

Medicaid00G864590CA
Other00G864590CA · Blue Shield
Medicare UPINE20748CA
Medicare ID-Type UnspecifiedG86459CA

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

Wun-ling Chang 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 ID6305892944
PECOS Enrollment IDI20050325000600
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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
475 services77 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
80 services70 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
22 services16 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
18 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92037 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

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.

MRS. KIERSTEN DUTRA RN
Registered Nurse
9888 GENESEE AVE
LA JOLLA, CA 92037
San Diego County (858) 834-1798
LA JOLLA RADIOLOGY MEDICAL GROUP THERAPY, INC
Clinic/Center (Oncology, Radiation)
9888 GENESEE AVE
LA JOLLA, CA 92037
San Diego County (760) 599-9545
JOSHUA JINHONG PARK PHARMD
Pharmacist
9888 GENESEE AVE
LA JOLLA, CA 92037
San Diego County (858) 305-4336
DR. MONTE TIM MELLON M.D. M.B.A.
Emergency Medicine
9888 GENESEE AVE
LA JOLLA, CA 92037
San Diego County (858) 626-6150
JAMES G. SCHWENDIG M.D.
Surgery (Trauma Surgery)
9888 GENESEE AVE, LJ-601
LA JOLLA, CA 92037
San Diego County (858) 626-6350
AMY EVENSTAD PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
9888 GENESEE AVE, LJ 18
LA JOLLA, CA 92037
San Diego County (858) 626-4606
RYAN FONG
Registered Nurse
9888 GENESEE AVE
LA JOLLA, CA 92037
San Diego County (858) 834-1798
CHRISTOPHER LUCAS WALSH M.D.
Internal Medicine
9888 GENESEE AVE
LA JOLLA, CA 92037
San Diego County (410) 428-7710

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 Wun-ling Chang's NPI number?

The NPI number for Wun-ling Chang is 1194734111. It was assigned to this individual provider in the NPPES registry on August 7, 2006.

Where is Wun-ling Chang located?

Wun-ling Chang practices at 9888 Genesee Ave, La Jolla, CA 92037. The listed phone number is (858) 202-1736.

What is Wun-ling Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Wun-ling Chang enrolled in Medicare?

Yes. Wun-ling Chang 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 Wun-ling Chang was last updated on January 27, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.