Doctor profile · Federal record

Dr. Nancy Waiganjo, MD

Internal Medicine Physician (CMS: Internal Medicine) · Round Rock, TX

  • NPI 1326300633
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 University Blvd
Round Rock, TX 786651032
(512) 509-0100
fax (512) 218-6330
Mailing address
Po Box 844658
Dallas, TX 752844658

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
January 25, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #Q5122

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326300633. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
215
Distinct HCPCS
3
Medicare allowed
$36,966
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 174 167 $165
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 26 26 $201
99291 Critical care, first 30-74 minutes 15 13 $205

In context: peer comparison

Among 16 peers in this city , average services per provider: 165. This provider delivers 1.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Waiganjo's medical specialty?
Dr. Nancy Waiganjo practices Internal Medicine Physician in Round Rock, TX.
Where does Dr. Nancy Waiganjo practice?
Dr. Nancy Waiganjo practices at 300 University Blvd, Round Rock, TX 786651032. Office phone: 5125090100.
What is Dr. Nancy Waiganjo's NPI?
Dr. Nancy Waiganjo's National Provider Identifier (NPI) is 1326300633, issued by NPPES.
Does Dr. Nancy Waiganjo accept Medicare assignment?
Yes. Dr. Nancy Waiganjo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Waiganjo commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with same-day admission and discharge with high level of medical decision making (HCPCS 99236); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.