Doctor profile · Federal record

Dr. Ann Klopp, MD PHD

Radiation Oncology Physician (CMS: Radiation Oncology) · Houston, TX

  • NPI 1356504419
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 Holcombe Blvd
Houston, TX 770304000
(713) 792-6161
Mailing address
Po Box 4439
Houston, TX 772104439

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
June 14, 2012
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Texas #N0176
Medicaid
TX #195971001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356504419. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
895
Distinct HCPCS
10
Medicare allowed
$68,182
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 277 50 $21
77014 Ct guidance for insertion of radiation therapy fields 192 38 $45
77300 Calculation of radiation therapy dose 113 27 $34
77427 Radiation treatment management, 5 treatment sessions 76 34 $195
77334 Design and construction of complex radiation treatment device 50 16 $61
77338 Design and construction of radiation treatment device for high precision radiation therapy 27 22 $229
77263 Complex radiation therapy planning 24 21 $155
77301 High precision radiation therapy planning 22 21 $426
77770 High dose radiation therapy, 1 channel 22 16 $104
57156 Insertion of device into vagina for radiation therapy 20 14 $155

In context: peer comparison

Among 55 peers in this city , average services per provider: 97. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,589
Transactions
7
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 7 $7,589.04

By nature of payment

Consulting Fee
$6,710
Travel and Lodging
$702
Food and Beverage
$177

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Klopp's medical specialty?
Dr. Ann Klopp practices Radiation Oncology Physician in Houston, TX.
Where does Dr. Ann Klopp practice?
Dr. Ann Klopp practices at 1515 Holcombe Blvd, Houston, TX 770304000. Office phone: 7137926161.
What is Dr. Ann Klopp's NPI?
Dr. Ann Klopp's National Provider Identifier (NPI) is 1356504419, issued by NPPES.
Does Dr. Ann Klopp accept Medicare assignment?
Yes. Dr. Ann Klopp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Klopp commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.