ALISON GRACE CHANG MD
NPI 1205253465
Internal Medicine - Hematology & Oncology in Palo Alto, CA

Active since March 26, 2014PECOS EnrolledAccepts Medicare Assignment
795 EL CAMINO REAL, PALO ALTO, CA 94301(650) 853-2905 Get Directions Write a Review

NPPES record last updated: August 3, 2020. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 3, 2020, Oct 9, 2018 (2 updates tracked since 2018).

About Alison Grace Chang Md NPPES

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

ALISON GRACE CHANG MD (NPI 1205253465) is an individual hematology & oncology provider in Palo Alto, California, licensed in California (A139702) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1205253465
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameALISON GRACE CHANGCredential: MD
Location Address795 EL CAMINO REALPalo Alto, CA 94301-2302
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (650) 853-2905
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMarch 26, 2014
Last NPPES UpdateAugust 3, 20202 updates tracked since enumeration
NPPES CertifiedAugust 3, 2020
NPI 1205253465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in CA · A139702
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
795 EL CAMINO REAL, Palo Alto, CA 94301

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

Alison Grace Chang 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 ID6901197987
PECOS Enrollment IDI20200807002731
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 42

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, tocilizumab, 1 mg J3262
Tocilizumab is a medication administered via injection. It's used to treat certain conditions like rheumatoid arthritis by reducing inflammation in the body. It works by blocking a substance in the body that leads to inflammation.
21,368 services14 patients
Injection, vedolizumab, intravenous, 1 mg J3380
Vedolizumab is a medication given via injection. It's used to treat certain bowel conditions (such as Crohn's disease, ulcerative colitis) by reducing inflammation. It works by blocking a certain protein that causes this inflammation.
15,300 services19 patients
Injection, pembrolizumab, 1 mg J9271
Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.
15,200 services20 patients
Injection, daratumumab, 10 mg and hyaluronidase-fihj J9144
Daratumumab and hyaluronidase-fihj is an injection administered to treat certain types of blood cancer. The medication works by targeting and killing specific cancer cells. It's often given under the skin to reduce side effects and improve patient comfort.
7,920 services12 patients
Injection, fosaprepitant, 1 mg J1453
Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.
6,000 services23 patients
Injection, eptinezumab-jjmr, 1 mg J3032
Eptinezumab-jjmr is a medication given through injection to prevent migraines. It works by blocking a specific protein that may cause migraines. This injection is usually given every 3 months by a healthcare professional.
5,500 services15 patients

Hospital Affiliations CMS Care Compare

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94301 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
$206.04 typical visit price
range $70.37 – $206.04
Typical copayment $51.51 (range $17.59 – $51.51)
Most-billed visit code 99205
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

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.

Dermatology
795 EL CAMINO REAL
PALO ALTO, CA 94301
Psychiatry & Neurology (Psychiatry)
795 EL CAMINO REAL
PALO ALTO, CA 94301
Physical Therapist
795 EL CAMINO REAL
PALO ALTO, CA 94301
Dietitian, Registered
795 EL CAMINO REAL
PALO ALTO, CA 94301
Dermatology
795 EL CAMINO REAL
PALO ALTO, CA 94301
Obstetrics & Gynecology
795 EL CAMINO REAL
PALO ALTO, CA 94301
Family Medicine
795 EL CAMINO REAL
PALO ALTO, CA 94301
Pediatrics
795 EL CAMINO REAL
PALO ALTO, CA 94301

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 Alison Chang's NPI number?

The NPI number for Alison Chang is 1205253465. It was assigned to this individual provider in the NPPES registry on March 26, 2014.

Where is Alison Chang located?

Alison Chang practices at 795 El Camino Real, Palo Alto, CA 94301. The listed phone number is (650) 853-2905.

What is Alison Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Alison Chang enrolled in Medicare?

Yes. Alison 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.

Is Alison Chang affiliated with any hospitals?

According to CMS data, Alison Chang is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Alison Chang was last updated on August 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.