Doctor profile · Federal record

Dr. Aaron Rosenberg, M.D., M.S.

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

  • NPI 1144479411
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4501 X St Ste 3016
Sacramento, CA 958172229
(916) 734-5981
fax (916) 734-0631
Mailing address
4501 X St, Suite 3016
Sacramento, CA 958172229

Credentials & registration

NPPES · NUCC
NPI registered
September 2008 — 18 yrs on file
Profile last updated
September 26, 2019
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (4)
California #A131746 · Pennsylvania #MD437380 · Pennsylvania #MT188309 · Massachusetts #244419

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144479411. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
852
Distinct HCPCS
7
Medicare allowed
$102,689
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 284 143 $149
99214 Established patient office or other outpatient visit, 30-39 minutes 181 130 $100
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 172 34 $124
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 133 26 $82
99205 New patient office or other outpatient visit, 60-74 minutes 42 42 $188
99213 Established patient office or other outpatient visit, 20-29 minutes 21 21 $69
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 19 13 $33

In context: peer comparison

Among 14 peers in this city , average services per provider: 120. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$6,988
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $5,966.00
E.R. Squibb & Sons, L.L.C. 1 $865.00
Janssen Biotech, Inc. 1 $89.99
BeiGene USA, Inc. 2 $66.73

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$5,966
Consulting Fee
$865
Education
$90
Food and Beverage
$67

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
331
Patients
98
Total drug cost
$823,305
Drug Type Claims Patients Total cost
Acyclovir Generic 76 31 $1,625
Dexamethasone Generic 37 18 $888
Prochlorperazine Maleate Generic 36 14 $433
Ondansetron Hcl Generic 23 13 $340
Pantoprazole Sodium Generic 20 0 $115
Eliquis (Apixaban) Brand 19 0 $12,000
Ninlaro (Ixazomib Citrate) Brand 18 0 $227,233
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 18 0 $95
Zarxio (Filgrastim-Sndz) Brand 18 11 $88,436
Montelukast Sodium Generic 16 11 $63

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Rosenberg's medical specialty?
Dr. Aaron Rosenberg practices Hematology & Oncology Physician in Sacramento, CA.
Where does Dr. Aaron Rosenberg practice?
Dr. Aaron Rosenberg practices at 4501 X St Ste 3016, Sacramento, CA 958172229. Office phone: 9167345981.
What is Dr. Aaron Rosenberg's NPI?
Dr. Aaron Rosenberg's National Provider Identifier (NPI) is 1144479411, issued by NPPES.
Does Dr. Aaron Rosenberg accept Medicare assignment?
Yes. Dr. Aaron Rosenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Rosenberg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.