Doctor profile · Federal record

Dr. Jennifer Nizen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Philadelphia, PA

  • NPI 1689604746
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
601 Walnut St, The Curtis Center Suite 6405
Philadelphia, PA 19106
(215) 829-0101
fax (215) 829-4349

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 1, 2012
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #MD046562L
Medicaid
PA #0012803930007

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689604746. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,078
Distinct HCPCS
10
Medicare allowed
$74,099
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 262 179 $92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 192 192 $46
83036 Hemoglobin a1c level 137 59 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 117 104 $78
99215 Established patient office or other outpatient visit, 40-54 minutes 82 62 $101
G0008 Administration of influenza virus vaccine 72 70 $32
90662 Influenza vaccine split virus, preservative free 65 64 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 28 28 $282
G0009 Administration of pneumococcal vaccine 25 25 $32
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 24 24 $15

In context: peer comparison

Among 390 peers in this city , average services per provider: 132. This provider delivers 8.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,758
Patients
795
Total drug cost
$158,271
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 375 110 $6,037
Amlodipine Besylate Generic 369 103 $2,978
Rosuvastatin Calcium Generic 362 101 $7,208
Losartan Potassium Generic 214 65 $3,786
Hydrochlorothiazide Generic 183 57 $757
Levothyroxine Sodium Generic 180 57 $3,133
Omeprazole Generic 176 49 $2,530
Metformin Hcl Generic 158 42 $1,880
Metoprolol Succinate Generic 153 45 $3,407
Simvastatin Generic 115 30 $1,265

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Nizen's medical specialty?
Dr. Jennifer Nizen practices Internal Medicine Physician in Philadelphia, PA.
Where does Dr. Jennifer Nizen practice?
Dr. Jennifer Nizen practices at 601 Walnut St, Philadelphia, PA 19106. Office phone: 2158290101.
What is Dr. Jennifer Nizen's NPI?
Dr. Jennifer Nizen's National Provider Identifier (NPI) is 1689604746, issued by NPPES.
Does Dr. Jennifer Nizen accept Medicare assignment?
Yes. Dr. Jennifer Nizen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Nizen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.