JAMES M SINCLAIR M.D.
NPI 1356300230
Internal Medicine - Hematology & Oncology in La Jolla, CA

Active since March 21, 2006PECOS Enrolled
9850 GENESEE AVE STE 560, LA JOLLA, CA 92037(858) 552-1410(858) 552-0929 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 7, 2023, Jan 28, 2020 (2 updates tracked since 2020).

About James M Sinclair M.d. NPPES

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

JAMES M SINCLAIR M.D. (NPI 1356300230) is an individual hematology & oncology provider in La Jolla, California, licensed in California (G048926) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356300230
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameJAMES M SINCLAIRCredential: M.D.
Location Address9850 GENESEE AVE STE 560La Jolla, CA 92037-1229
Mailing AddressPo Box 25100Fresno, CA 93729-5100 · (559) 326-1222 · Fax (559) 326-1230
Fax(858) 552-0929
Sole ProprietorNo
Enumeration DateMarch 21, 2006
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2020
NPI 1356300230 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 · G048926
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.
9850 GENESEE AVE STE 560, La Jolla, CA 92037

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

James M Sinclair M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 32

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, darbepoetin alfa, 1 microgram (non-esrd use) J0881
Darbepoetin alfa injection is a medication used to treat anemia (low red blood cell count) often caused by chronic kidney disease or chemotherapy. It works by stimulating your body to produce more red blood cells, helping to increase your energy and well-being.
42,800 services34 patients
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.
7,200 services29 patients
Injection, aprepitant, 1 mg J0185
Aprepitant injection is a medication used to prevent nausea and vomiting caused by chemotherapy. It works by blocking certain substances in the brain that trigger these symptoms. The dosage is based on your medical condition and response to treatment.
3,380 services14 patients
Injection, rituximab-arrx, biosimilar, (riabni), 10 mg Q5123
Rituximab-arrx (Riabni) is a biosimilar medicine administered via injection. It's used to treat certain autoimmune diseases and types of cancer. This therapy works by targeting specific cells, helping your body's immune system fight disease.
2,660 services11 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
2,182 services36 patients
Injection, ferric derisomaltose, 10 mg J1437
Ferric derisomaltose is an iron replacement product. It's given as an injection to treat iron deficiency anemia, a condition where the body lacks enough iron. The injection helps increase iron in your body to healthy levels.
2,100 services17 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
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier13 claims821 services$0.82 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
1 supplier11 claims11 services$18.87 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 6

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

Internal Medicine (Medical Oncology)
9850 GENESEE AVE STE 560
LA JOLLA, CA 92037
Internal Medicine (Medical Oncology)
9850 GENESEE AVE STE 560
LA JOLLA, CA 92037
Nurse Practitioner (Adult Health)
9850 GENESEE AVE STE 560
LA JOLLA, CA 92037
Pharmacy (Specialty Pharmacy)
9850 GENESEE AVE STE 560
LA JOLLA, CA 92037
Non-Pharmacy Dispensing Site
9850 GENESEE AVE STE 560
LA JOLLA, CA 92037
Nurse Practitioner
9850 GENESEE AVE STE 560
LA JOLLA, CA 92037

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 Sinclair's NPI number?

The NPI number for James Sinclair is 1356300230. It was assigned to this individual provider in the NPPES registry on March 21, 2006.

Where is James Sinclair located?

James Sinclair practices at 9850 Genesee Ave Ste 560, La Jolla, CA 92037. The listed phone number is (858) 552-1410.

What is James Sinclair's specialty?

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

Is James Sinclair enrolled in Medicare?

Yes. James Sinclair is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for James Sinclair was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.