Doctor profile · Federal record

Dr. Michael Marshall, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Cedar Hill, TX

  • NPI 1881668952
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
950 E Belt Line RD Ste 150
Cedar Hill, TX 751042424
(972) 291-7863
fax (972) 291-0942

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
March 14, 2023
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Texas #H0602 · Texas #42970
Medicaid
TX #046051102

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881668952. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,007
Distinct HCPCS
10
Medicare allowed
$102,125
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 434 206 $126
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 116 116 $128
90662 Influenza vaccine split virus, preservative free 107 103 $71
G0008 Administration of influenza virus vaccine 103 99 $31
99213 Established patient office or other outpatient visit, 20-29 minutes 91 81 $89
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 38 38 $283
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 36 34 $14
G0009 Administration of pneumococcal vaccine 33 33 $31
99497 Advance care planning, first 30 minutes 14 14 $82
90471 Administration of vaccine 13 12 $17

In context: peer comparison

Among 4 peers in this city , average services per provider: 79. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$324
Transactions
18
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 7 $129.64
Dexcom, Inc. 2 $42.64
AstraZeneca Pharmaceuticals LP 2 $29.96
GlaxoSmithKline, LLC. 2 $27.01
Merck Sharp & Dohme LLC 1 $26.45
PFIZER INC. 1 $21.79
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $18.20
Amgen Inc. 1 $15.30
Lilly USA, LLC 1 $13.37

By nature of payment

Food and Beverage
$324

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,033
Patients
1,624
Total drug cost
$1,227,435
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 846 264 $12,150
Rosuvastatin Calcium Generic 526 180 $9,967
Amlodipine Besylate Generic 447 147 $3,221
Metformin Hcl Generic 405 136 $4,380
Ozempic (Semaglutide) Brand 388 108 $504,762
Lisinopril Generic 320 111 $2,544
Jardiance (Empagliflozin) Brand 301 93 $359,671
Losartan Potassium Generic 281 95 $4,849
Levothyroxine Sodium Generic 276 92 $5,846
Metoprolol Succinate Generic 256 78 $5,632

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Marshall's medical specialty?
Dr. Michael Marshall practices Internal Medicine Physician in Cedar Hill, TX.
Where does Dr. Michael Marshall practice?
Dr. Michael Marshall practices at 950 E Belt Line RD Ste 150, Cedar Hill, TX 751042424. Office phone: 9722917863.
What is Dr. Michael Marshall's NPI?
Dr. Michael Marshall's National Provider Identifier (NPI) is 1881668952, issued by NPPES.
Does Dr. Michael Marshall accept Medicare assignment?
Yes. Dr. Michael Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Marshall commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.