Doctor profile · Federal record

Dr. David Moyer Diener, MD

Emergency Medical Services (Emergency Medicine) Physician (CMS: Emergency Medicine) · Harlingen, TX

  • NPI 1942294756
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2101 Pease St
Harlingen, TX 785508307
(956) 389-1100
Mailing address
Po Box 5357
Norman, OK 730705357

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207PE0004X — NUCC code
State license (1)
Texas #L8848

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942294756. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
740
Distinct HCPCS
5
Medicare allowed
$83,664
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 293 285 $171
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 241 220 $8
99284 Emergency department visit with moderate level of medical decision making 97 92 $119
99291 Critical care, first 30-74 minutes 89 89 $210
99283 Emergency department visit with low level of medical decision making 20 17 $71

In context: peer comparison

Among 3 peers in this city , average services per provider: 89. This provider delivers 8.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
80
Total drug cost
$689
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 19 $89
Cephalexin Generic 16 15 $174
Doxycycline Hyclate Generic 16 16 $258
Ondansetron Odt (Ondansetron) Brand 16 16 $126
Prednisone Generic 14 14 $42

Frequently asked questions

Auto-generated from federal data
What is Dr. David Moyer Diener's medical specialty?
Dr. David Moyer Diener practices Emergency Medical Services (Emergency Medicine) Physician in Harlingen, TX.
Where does Dr. David Moyer Diener practice?
Dr. David Moyer Diener practices at 2101 Pease St, Harlingen, TX 785508307. Office phone: 9563891100.
What is Dr. David Moyer Diener's NPI?
Dr. David Moyer Diener's National Provider Identifier (NPI) is 1942294756, issued by NPPES.
Does Dr. David Moyer Diener accept Medicare assignment?
Yes. Dr. David Moyer Diener accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Moyer Diener commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.