Doctor profile · Federal record

Dr. Christopher Dayton, MD

Hospitalist Physician (CMS: Internal Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · San Antonio, TX

  • NPI 1790945657
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
7703 Floyd Curl Dr
San Antonio, TX 782293901
(917) 859-3502
Additional location
1111 Amsterdam Ave, St Luke's Hospital Emergency Department
New York, NY 100251716
(212) 523-4000
Additional location
129 N Washington St
Sumter, SC 291504949
(803) 434-6771
fax (803) 434-3955
Mailing address
870 Creekwood Cir
McKinney, TX 750698913

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
December 8, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (3)
South Carolina #85349 · New York #249009 · Texas #Q0240

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790945657. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
211
Distinct HCPCS
3
Medicare allowed
$39,918
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 137 38 $207
99285 Emergency department visit with high level of medical decision making 51 50 $172
99284 Emergency department visit with moderate level of medical decision making 23 21 $118

In context: peer comparison

Among 51 peers in San Antonio Hospitalist Physician, average services per provider: 87. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $17.96

By nature of payment

Food and Beverage
$18

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Dayton's medical specialty?
Dr. Christopher Dayton practices Hospitalist Physician in San Antonio, TX.
Where does Dr. Christopher Dayton practice?
Dr. Christopher Dayton practices at 7703 Floyd Curl Dr, San Antonio, TX 782293901. Office phone: 9178593502.
What is Dr. Christopher Dayton's NPI?
Dr. Christopher Dayton's National Provider Identifier (NPI) is 1790945657, issued by NPPES.
Does Dr. Christopher Dayton accept Medicare assignment?
Yes. Dr. Christopher Dayton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Dayton commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.