Doctor profile · Federal record

Dr. James Heckmann, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Mountain View, CA

  • NPI 1487660023
  • Accepts Medicare
  • 53 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 E El Camino Real
Mountain View, CA 940402833
(650) 934-7600
Mailing address
2350 W El Camino Real, 2Nd Floor
Mountain View, CA 940406201

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
December 1, 2011
Year of graduation
1973 — 53 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #G29205

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487660023. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
101
Distinct HCPCS
4
Medicare allowed
$5,775
HCPCS Description Services Patients Avg allowed
J7050 Infusion, normal saline solution, 250 cc 34 22 $1
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 25 20 $86
96372 Injection of drug or substance under skin or into muscle 24 14 $18
96413 Administration of chemotherapy into vein, 1 hour or less 18 14 $177

In context: peer comparison

Among 4 peers in Mountain View Hematology & Oncology Physician, average services per provider: 1,813. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$53
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 1 $30.85
AstraZeneca Pharmaceuticals Lp 1 $22.07

By nature of payment

Food and Beverage
$53

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
0
Total drug cost
$512,552
Drug Type Claims Patients Total cost
Jakafi (Ruxolitinib Phosphate) Brand 39 0 $496,623
Eliquis (Apixaban) Brand 12 0 $15,929

Frequently asked questions

Auto-generated from federal data
What is Dr. James Heckmann's medical specialty?
Dr. James Heckmann practices Hematology & Oncology Physician in Mountain View, CA.
Where does Dr. James Heckmann practice?
Dr. James Heckmann practices at 701 E El Camino Real, Mountain View, CA 940402833. Office phone: 6509347600.
What is Dr. James Heckmann's NPI?
Dr. James Heckmann's National Provider Identifier (NPI) is 1487660023, issued by NPPES.
Does Dr. James Heckmann accept Medicare assignment?
Yes. Dr. James Heckmann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Heckmann commonly perform?
Top Medicare-reported procedures in 2023: Infusion, normal saline solution, 250 cc (HCPCS J7050); Infusion into a vein for therapy, prevention, or diagnosis (HCPCS 96365); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.