Doctor profile · Federal record

Dr. Alexander Black, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Santa Clarita, CA

  • NPI 1104851500
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
27235 Tourney RD Ste 2400
Santa Clarita, CA 913555905
(661) 255-5350
fax (661) 255-9907
Additional location
625 S Fair Oaks Ave Ste 320
Pasadena, CA 911052674
(626) 396-2999
fax (626) 396-2991
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 7, 2020
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #G58928
Medicaid
CA #00G589280

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104851500. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
66,182
Distinct HCPCS
10
Medicare allowed
$1,754,418
HCPCS Description Services Patients Avg allowed
J9271 Injection, pembrolizumab, 1 mg 19,600 17 $54
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 16,600 15 $3
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 10,200 13 $0
J0897 Injection, denosumab, 1 mg 9,720 31 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 1,428 499 $141
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,406 27 $0
J2405 Injection, ondansetron hydrochloride, per 1 mg 1,272 27 $0
J2469 Injection, palonosetron hcl, 25 mcg 1,170 23 $1
J7050 Infusion, normal saline solution, 250 cc 806 117 $1
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 680 162 $8

In context: peer comparison

Among 6 peers in Santa Clarita Hematology & Oncology Physician, average services per provider: 970. This provider delivers 68× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$132
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 1 $95.85
Erbe USA INC 1 $20.00
Takeda Pharmaceuticals U.S.A., INC. 1 $16.40

By nature of payment

Food and Beverage
$116
Education
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
803
Patients
288
Total drug cost
$175,934
Drug Type Claims Patients Total cost
Anastrozole Generic 108 34 $3,954
Eliquis (Apixaban) Brand 102 32 $100,353
Gabapentin Generic 68 24 $1,542
Tamoxifen Citrate Generic 58 17 $1,935
Dexamethasone Generic 55 18 $779
Ondansetron Odt (Ondansetron) Brand 51 32 $2,254
Hydroxyurea Generic 50 15 $2,919
Prednisone Generic 46 18 $365
Xarelto (Rivaroxaban) Brand 44 16 $54,609
Escitalopram Oxalate Generic 43 11 $681

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Black's medical specialty?
Dr. Alexander Black practices Hematology & Oncology Physician in Santa Clarita, CA.
Where does Dr. Alexander Black practice?
Dr. Alexander Black practices at 27235 Tourney RD Ste 2400, Santa Clarita, CA 913555905. Office phone: 6612555350.
What is Dr. Alexander Black's NPI?
Dr. Alexander Black's National Provider Identifier (NPI) is 1104851500, issued by NPPES.
Does Dr. Alexander Black accept Medicare assignment?
Yes. Dr. Alexander Black accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Black commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138). Source: CMS Medicare Physician & Other Practitioners file.