Doctor profile · Federal record

Dr. Alison Loren, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Philadelphia, PA

  • NPI 1942241641
  • Accepts Medicare
  • MIPS 85.5 / 100 · 2023
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3400 Spruce St, 15 Penn Tower
Philadelphia, PA 19104
(215) 662-3914

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 8, 2011
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Pennsylvania #MD065936L
Medicaid
PA #0019522800001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942241641. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
195
Distinct HCPCS
2
Medicare allowed
$21,694
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 154 72 $101
99215 Established patient office or other outpatient visit, 40-54 minutes 41 27 $149

In context: peer comparison

Among 59 peers in this city , average services per provider: 829. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
525
Patients
18
Total drug cost
$2,262,215
Drug Type Claims Patients Total cost
Acyclovir Generic 95 18 $1,875
Jakafi (Ruxolitinib Phosphate) Brand 63 0 $1,053,572
Imatinib Mesylate Generic 58 0 $13,533
Montelukast Sodium Generic 32 0 $328
Valacyclovir (Valacyclovir Hcl) Brand 31 0 $2,084
Prednisone Generic 30 0 $408
Penicillin V Potassium Generic 29 0 $363
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 29 0 $161
Famotidine Generic 27 0 $225
Omeprazole Generic 27 0 $322

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alison Loren's medical specialty?
Dr. Alison Loren practices Hematology & Oncology Physician in Philadelphia, PA.
Where does Dr. Alison Loren practice?
Dr. Alison Loren practices at 3400 Spruce St, Philadelphia, PA 19104. Office phone: 2156623914.
What is Dr. Alison Loren's NPI?
Dr. Alison Loren's National Provider Identifier (NPI) is 1942241641, issued by NPPES.
Does Dr. Alison Loren accept Medicare assignment?
Yes. Dr. Alison Loren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alison Loren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.