Doctor profile · Federal record

Dr. Jorge Diaz, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Huntsville, AL

  • NPI 1558517987
  • Accepts Medicare
  • MIPS 76.3 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Hospital Dr Sw
Huntsville, AL 358016455
(256) 705-4224
Mailing address
Po Box 18428
Huntsville, AL 358048428

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
January 27, 2023
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Alabama #31152

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558517987. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130,653
Distinct HCPCS
10
Medicare allowed
$3,209,793
HCPCS Description Services Patients Avg allowed
J0642 Injection, levoleucovorin (khapzory), 0.5 mg 27,400 13 $1
J9271 Injection, pembrolizumab, 1 mg 14,000 21 $54
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 12,690 26 $3
J9299 Injection, nivolumab, 1 mg 11,160 11 $30
J0897 Injection, denosumab, 1 mg 9,300 93 $23
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 9,000 13 $47
J0185 Injection, aprepitant, 1 mg 6,630 17 $2
J1437 Injection, ferric derisomaltose, 10 mg 6,100 55 $21
J1568 Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg 4,838 25 $40
J1100 Injection, dexamethasone sodium phosphate, 1 mg 3,184 99 $0

In context: peer comparison

Among 6 peers in this city , average services per provider: 1,381. This provider delivers 95× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,670
Transactions
82
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 16 $370.61
Amgen Inc. 2 $310.37
Novartis Pharmaceuticals Corporation 14 $289.62
BeiGene USA, Inc. 5 $231.49
Incyte Corporation 3 $166.10
AstraZeneca Pharmaceuticals LP 7 $146.29
Takeda Pharmaceuticals U.S.A., Inc. 5 $125.31
Merck Sharp & Dohme LLC 4 $98.71
Gilead Sciences, Inc. 5 $98.53
Janssen Biotech, Inc. 5 $91.32
ABBVIE INC. 5 $88.77
Daiichi Sankyo Inc. 3 $73.49
E.R. Squibb & Sons, L.L.C. 4 $67.75
GENZYME CORPORATION 2 $49.10
Alexion Pharmaceuticals, Inc. 2 $48.16

By nature of payment

Food and Beverage
$2,550
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$120

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
900
Patients
273
Total drug cost
$1,318,944
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 168 39 $113,094
Prednisone Generic 103 42 $858
Anastrozole Generic 84 29 $2,919
Levothyroxine Sodium Generic 67 23 $463
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 60 26 $1,342
Revlimid (Lenalidomide) Brand 54 0 $1,025,081
Gabapentin Generic 51 17 $576
Letrozole Generic 46 16 $2,923
Hydroxyurea Generic 45 0 $1,820
Furosemide Generic 42 21 $154

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jorge Diaz's medical specialty?
Dr. Jorge Diaz practices Hematology & Oncology Physician in Huntsville, AL.
Where does Dr. Jorge Diaz practice?
Dr. Jorge Diaz practices at 1 Hospital Dr Sw, Huntsville, AL 358016455. Office phone: 2567054224.
What is Dr. Jorge Diaz's NPI?
Dr. Jorge Diaz's National Provider Identifier (NPI) is 1558517987, issued by NPPES.
Does Dr. Jorge Diaz accept Medicare assignment?
Yes. Dr. Jorge Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jorge Diaz commonly perform?
Top Medicare-reported procedures in 2023: Injection, levoleucovorin (khapzory), 0.5 mg (HCPCS J0642); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881). Source: CMS Medicare Physician & Other Practitioners file.