Doctor profile · Federal record

Dr. John Treer, MD

Internal Medicine Physician (CMS: Internal Medicine) · Frisco, TX

  • NPI 1972521110
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12950 Dallas Pkwy Ste 100
Frisco, TX 750334235
(972) 377-8695
fax (972) 377-8699

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 27, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #K5418
Medicaid (2)
TX #144874803 · TX #144874806

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972521110. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,200
Distinct HCPCS
8
Medicare allowed
$128,759
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 880 431 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 124 100 $86
G0008 Administration of influenza virus vaccine 50 50 $30
90662 Influenza vaccine split virus, preservative free 46 46 $72
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 44 25 $50
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 23 22 $14
99212 Established patient office or other outpatient visit, 10-19 minutes 21 20 $53
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $160

In context: peer comparison

Among 35 peers in Frisco Internal Medicine Physician, average services per provider: 169. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,251
Transactions
62
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 10 $197.62
Abbott Laboratories 8 $157.63
Lilly USA, LLC 7 $111.86
Janssen Pharmaceuticals, INC 6 $111.43
Pfizer INC. 4 $95.74
AstraZeneca Pharmaceuticals Lp 5 $75.11
Exact Sciences Corporation 3 $61.47
GlaxoSmithKline, LLC. 3 $56.51
Seqirus USA INC 3 $54.50
Idorsia Pharmaceuticals US INC 2 $46.01
Amgen INC. 3 $42.16
Dexcom, INC. 2 $39.98
Boehringer Ingelheim Pharmaceuticals, INC. 2 $39.38
Bayer Healthcare Pharmaceuticals INC. 2 $39.09
Abbvie INC. 2 $36.08

By nature of payment

Food and Beverage
$1,251

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,760
Patients
1,209
Total drug cost
$58,442
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 509 158 $7,140
Rosuvastatin Calcium Generic 449 138 $8,325
Levothyroxine Sodium Generic 417 127 $7,601
Lisinopril Generic 348 108 $3,233
Amlodipine Besylate Generic 324 103 $3,055
Pantoprazole Sodium Generic 218 82 $4,237
Metformin Hcl Generic 208 64 $2,397
Losartan Potassium Generic 195 65 $3,130
Hydrochlorothiazide Generic 185 59 $1,239
Omeprazole Generic 184 59 $2,910

Frequently asked questions

Auto-generated from federal data
What is Dr. John Treer's medical specialty?
Dr. John Treer practices Internal Medicine Physician in Frisco, TX.
Where does Dr. John Treer practice?
Dr. John Treer practices at 12950 Dallas Pkwy Ste 100, Frisco, TX 750334235. Office phone: 9723778695.
What is Dr. John Treer's NPI?
Dr. John Treer's National Provider Identifier (NPI) is 1972521110, issued by NPPES.
Does Dr. John Treer accept Medicare assignment?
Yes. Dr. John Treer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Treer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.