Doctor profile · Federal record

Dr. Kristen Singer, M.D.

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

  • NPI 1457615692
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1300 Wolf St Fl 1
Philadelphia, PA 191482912
(215) 955-8900
fax (215) 923-3447
Additional location
800 Washington St, Box 233
Boston, MA 021111552
(617) 636-5883
Mailing address
132 South 10Th Street, 480 Main Building
Philadelphia, PA 191075244

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
January 30, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Pennsylvania #MD466066 · Missouri #2012019699 · Massachusetts #263920

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457615692. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
368
Distinct HCPCS
8
Medicare allowed
$44,913
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 84 54 $102
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 70 39 $125
45380 Biopsy of large bowel using a flexible endoscope 46 46 $108
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 42 40 $136
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 40 38 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 32 24 $102
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $144
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 23 23 $248

In context: peer comparison

Among 80 peers in Philadelphia Gastroenterology Physician, average services per provider: 80. This provider delivers 4.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
365
Patients
116
Total drug cost
$48,367
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 117 30 $2,930
Omeprazole Generic 92 35 $1,715
Famotidine Generic 39 21 $752
Linzess (Linaclotide) Brand 38 11 $30,424
Dicyclomine Hcl Generic 25 0 $947
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 23 19 $452
Colestipol Hcl Generic 20 0 $3,957
Creon (Lipase/Protease/Amylase) Brand 11 0 $7,189

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristen Singer's medical specialty?
Dr. Kristen Singer practices Gastroenterology Physician in Philadelphia, PA.
Where does Dr. Kristen Singer practice?
Dr. Kristen Singer practices at 1300 Wolf St Fl 1, Philadelphia, PA 191482912. Office phone: 2159558900.
What is Dr. Kristen Singer's NPI?
Dr. Kristen Singer's National Provider Identifier (NPI) is 1457615692, issued by NPPES.
Does Dr. Kristen Singer accept Medicare assignment?
Yes. Dr. Kristen Singer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristen Singer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.