Doctor profile · Federal record

Dr. Thomas Blom, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Princeton, NJ

  • NPI 1932304599
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
419 N Harrison St, Suite 101/201
Princeton, NJ 085403521
(609) 924-9300

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
November 19, 2014
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
New Jersey #25MA07729700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932304599. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
145,357
Distinct HCPCS
10
Medicare allowed
$2,930,523
HCPCS Description Services Patients Avg allowed
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 31,500 33 $3
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 29,520 15 $47
J1439 Injection, ferric carboxymaltose, 1 mg 29,250 24 $1
J0897 Injection, denosumab, 1 mg 16,200 41 $23
J1453 Injection, fosaprepitant, 1 mg 10,950 14 $0
J9271 Injection, pembrolizumab, 1 mg 10,200 12 $54
J1100 Injection, dexamethasone sodium phosphate, 1 mg 4,418 42 $0
36415 Insertion of needle into vein for collection of blood sample 1,672 430 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 1,635 418 $8
80053 Blood test, comprehensive group of blood chemicals 1,355 350 $10

In context: peer comparison

Among 3 peers in Princeton Hematology & Oncology Physician, average services per provider: 2,362. This provider delivers 62× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$135
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 1 $72.73
Janssen Pharmaceuticals, INC 1 $29.16
Janssen Biotech, INC. 1 $19.78
Incyte Corporation 1 $13.80

By nature of payment

Education
$73
Food and Beverage
$63

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
745
Patients
182
Total drug cost
$1,287,885
Drug Type Claims Patients Total cost
Letrozole Generic 97 26 $2,806
Acyclovir Generic 82 35 $2,329
Hydroxyurea Generic 65 20 $2,496
Prednisone Generic 62 24 $591
Xarelto (Rivaroxaban) Brand 59 15 $71,050
Anastrozole Generic 51 16 $1,887
Eliquis (Apixaban) Brand 47 14 $64,204
Warfarin Sodium Generic 45 14 $935
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 41 0 $583
Zolpidem Tartrate Generic 41 0 $239

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Blom's medical specialty?
Dr. Thomas Blom practices Hematology & Oncology Physician in Princeton, NJ.
Where does Dr. Thomas Blom practice?
Dr. Thomas Blom practices at 419 N Harrison St, Princeton, NJ 085403521. Office phone: 6099249300.
What is Dr. Thomas Blom's NPI?
Dr. Thomas Blom's National Provider Identifier (NPI) is 1932304599, issued by NPPES.
Does Dr. Thomas Blom accept Medicare assignment?
Yes. Dr. Thomas Blom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Blom commonly perform?
Top Medicare-reported procedures in 2023: Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144); Injection, ferric carboxymaltose, 1 mg (HCPCS J1439). Source: CMS Medicare Physician & Other Practitioners file.