Doctor profile · Federal record

Dr. Louis Leff

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

  • NPI 1962505537
  • Accepts Medicare
  • MIPS 78.5 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
532 S Aiken Ave, Suite 201
Pittsburgh, PA 152321521
(412) 621-5091

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
April 6, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #MD036723E

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962505537. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
445
Distinct HCPCS
7
Medicare allowed
$41,028
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 225 45 $78
99214 Established patient office or other outpatient visit, 30-39 minutes 82 56 $124
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 38 38 $126
99238 Hospital discharge day management, 30 minutes or less 34 34 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 28 $170
90682 Influenza vaccine, quadrivalent derived from recombinant dna 19 19 $42
G0008 Administration of influenza virus vaccine 19 19 $20

In context: peer comparison

Among 189 peers in Pittsburgh Internal Medicine Physician, average services per provider: 86. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,584
Patients
471
Total drug cost
$27,946
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 260 82 $5,525
Amlodipine Besylate Generic 173 52 $1,633
Lisinopril Generic 135 40 $1,703
Losartan Potassium Generic 123 43 $2,117
Hydrochlorothiazide Generic 122 42 $703
Metformin Hcl Generic 106 33 $1,314
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 94 24 $3,794
Levothyroxine Sodium Generic 91 28 $1,764
Gabapentin Generic 81 23 $1,896
Omeprazole Generic 76 22 $936

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Louis Leff's medical specialty?
Dr. Louis Leff practices Internal Medicine Physician in Pittsburgh, PA.
Where does Dr. Louis Leff practice?
Dr. Louis Leff practices at 532 S Aiken Ave, Pittsburgh, PA 152321521. Office phone: 4126215091.
What is Dr. Louis Leff's NPI?
Dr. Louis Leff's National Provider Identifier (NPI) is 1962505537, issued by NPPES.
Does Dr. Louis Leff accept Medicare assignment?
Yes. Dr. Louis Leff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Leff commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.