Doctor profile · Federal record

Dr. Jonathan Leffert, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Dallas, TX

  • NPI 1891720785
  • Accepts Medicare
  • MIPS 87.3 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9301 N Central Expy, Suite 570
Dallas, TX 752310806
(214) 369-5992
fax (214) 369-2414

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 6, 2015
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Texas #G7081

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891720785. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,693
Distinct HCPCS
10
Medicare allowed
$231,700
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 918 420 $128
82962 Blood glucose (sugar) test performed by hand-held instrument 759 265 $3
83036 Hemoglobin a1c level 564 249 $9
99213 Established patient office or other outpatient visit, 20-29 minutes 422 318 $91
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 341 123 $35
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 230 47 $49
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 149 40 $40
76536 Ultrasound scan of head and neck soft tissue 98 91 $115
99204 New patient office or other outpatient visit, 45-59 minutes 95 95 $165
99203 New patient office or other outpatient visit, 30-44 minutes 70 70 $113

In context: peer comparison

Among 30 peers in this city , average services per provider: 142. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$831
Transactions
37
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 7 $132.24
Novo Nordisk Inc 4 $84.07
Tandem Diabetes Care, Inc. 2 $69.07
SANOFI-AVENTIS U.S. LLC 2 $61.56
Xeris Pharmaceuticals, Inc. 3 $60.96
CeQur Corporation 1 $58.96
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $48.33
Mannkind Corporation 2 $41.12
Radius Health, Inc. 2 $40.95
Insulet Corporation 2 $40.47
Corcept Therapeutics 2 $40.19
Lilly USA, LLC 2 $37.58
Abbott Laboratories 2 $36.85
IBSA Pharma Inc. 2 $33.32
Medtronic, Inc. 2 $30.92

By nature of payment

Food and Beverage
$831

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,668
Patients
485
Total drug cost
$610,596
Drug Type Claims Patients Total cost
Synthroid (Levothyroxine Sodium) Brand 350 88 $38,344
Levothyroxine Sodium Generic 309 104 $4,899
Alendronate Sodium Generic 158 51 $2,075
Ozempic (Semaglutide) Brand 134 36 $230,214
Metformin Hcl Generic 130 42 $1,754
Jardiance (Empagliflozin) Brand 111 27 $163,844
Tresiba Flextouch U-100 (Insulin Degludec) Brand 68 16 $41,011
Metformin Hcl Er (Metformin Hcl) Brand 64 22 $997
Novolog Flexpen (Insulin Aspart) Brand 63 21 $79,836
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 57 17 $37,780

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Leffert's medical specialty?
Dr. Jonathan Leffert practices Endocrinology, Diabetes & Metabolism Physician in Dallas, TX.
Where does Dr. Jonathan Leffert practice?
Dr. Jonathan Leffert practices at 9301 N Central Expy, Dallas, TX 752310806. Office phone: 2143695992.
What is Dr. Jonathan Leffert's NPI?
Dr. Jonathan Leffert's National Provider Identifier (NPI) is 1891720785, issued by NPPES.
Does Dr. Jonathan Leffert accept Medicare assignment?
Yes. Dr. Jonathan Leffert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Leffert commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.