Doctor profile · Federal record

Dr. Harry Nima Zegarra, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Pulmonary Disease Physician · Internal Medicine Physician · Dallas, TX

  • NPI 1740464601
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3409 Worth Street, Suite 420
Dallas, TX 75246
(214) 820-2346
fax (214) 820-9818
Additional location
1200 E Savannah Ave Ste 16
McAllen, TX 785031728
(956) 631-3344
fax (956) 519-8717

Credentials & registration

NPPES · NUCC
NPI registered
December 2007 — 19 yrs on file
Profile last updated
March 12, 2026
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Texas #Q3253

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740464601. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
316
Distinct HCPCS
3
Medicare allowed
$59,653
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 237 125 $209
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 62 42 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 17 $171

In context: peer comparison

Among 19 peers in this city , average services per provider: 76. This provider delivers 4.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Harry Nima Zegarra's medical specialty?
Dr. Harry Nima Zegarra practices Critical Care Medicine (Internal Medicine) Physician in Dallas, TX.
Where does Dr. Harry Nima Zegarra practice?
Dr. Harry Nima Zegarra practices at 3409 Worth Street, Dallas, TX 75246. Office phone: 2148202346.
What is Dr. Harry Nima Zegarra's NPI?
Dr. Harry Nima Zegarra's National Provider Identifier (NPI) is 1740464601, issued by NPPES.
Does Dr. Harry Nima Zegarra accept Medicare assignment?
Yes. Dr. Harry Nima Zegarra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harry Nima Zegarra commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.