Doctor profile · Federal record

Dr. Kristin Fless, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Pulmonary Disease Physician · Sleep Medicine (Internal Medicine) Physician · Livingston, NJ

  • NPI 1043305493
  • Accepts Medicare
  • MIPS 88.9 / 100 · 2023
  • 31 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
94 Old Short Hills RD
Livingston, NJ 070395672
(973) 322-2924
fax (973) 322-8410
Mailing address
164 Glenview RD
South Orange, NJ 070791136

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 31, 2007
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
New Jersey #25MA06455300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043305493. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
708
Distinct HCPCS
10
Medicare allowed
$67,400
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 214 129 $141
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 113 63 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 63 38 $125
94729 Test to examine how well the lungs exchange gases 45 44 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 45 42 $98
94727 Test to determine lung volumes using gas dilution or washout 34 33 $13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 33 33 $137
94060 Test to measure expiratory airflow and volume changes before and after medication administration 29 28 $13
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 24 $49
94010 Test to measure expiratory airflow and volume 19 19 $9

In context: peer comparison

Among 5 peers in this city , average services per provider: 66. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$625
Transactions
34
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 4 $169.29
GlaxoSmithKline, LLC. 15 $136.36
Regeneron Healthcare Solutions, Inc. 2 $97.26
Avadel CNS Pharmaceuticals, LLC 3 $53.76
Harmony Biosciences Llc 2 $31.18
Inari Medical, Inc. 1 $23.45
PFIZER INC. 1 $17.91
ABBVIE INC. 1 $17.43
Mylan Specialty L.P. 1 $17.43
HARMONY BIOSCIENCES LLC 1 $15.88
Amgen Inc. 1 $15.74
Gilead Sciences, Inc. 1 $15.32
Chiesi USA, Inc. 1 $13.96

By nature of payment

Food and Beverage
$544
Education
$81

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
532
Patients
179
Total drug cost
$155,992
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 135 61 $5,246
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 101 20 $88,325
Breo Ellipta (Fluticasone/Vilanterol) Brand 45 14 $24,301
Montelukast Sodium Generic 45 15 $517
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 36 0 $22,311
Fluticasone Propionate Generic 30 14 $695
Prednisone Generic 27 19 $168
Azithromycin Generic 19 12 $260
Advair Hfa (Fluticasone Propion/Salmeterol) Brand 18 0 $7,937
Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) Brand 18 0 $5,203

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristin Fless's medical specialty?
Dr. Kristin Fless practices Critical Care Medicine (Internal Medicine) Physician in Livingston, NJ.
Where does Dr. Kristin Fless practice?
Dr. Kristin Fless practices at 94 Old Short Hills RD, Livingston, NJ 070395672. Office phone: 9733222924.
What is Dr. Kristin Fless's NPI?
Dr. Kristin Fless's National Provider Identifier (NPI) is 1043305493, issued by NPPES.
Does Dr. Kristin Fless accept Medicare assignment?
Yes. Dr. Kristin Fless accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristin Fless 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 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.