Doctor profile · Federal record

Dr. Thatcher Houldin, MD

Internal Medicine Physician (CMS: Internal Medicine) · Portland, OR

  • NPI 1578184511
  • Accepts Medicare
  • MIPS 87.8 / 100 · 2023
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4805 Ne Glisan St
Portland, OR 972132933
(503) 215-2392
Additional location
9205 Sw Barnes RD
Portland, OR 972256603
(503) 216-2621
Mailing address
Po Box 3158
Portland, OR 972083158

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
October 27, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oregon #MD216720

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578184511. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
66
Distinct HCPCS
3
Medicare allowed
$6,897
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 39 19 $79
99239 Hospital discharge day management, more than 30 minutes 15 15 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $174

In context: peer comparison

Among 209 peers in Portland Internal Medicine Physician, average services per provider: 60. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
210
Patients
30
Total drug cost
$10,188
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 44 19 $639
Amlodipine Besylate Generic 30 11 $244
Levothyroxine Sodium Generic 29 0 $615
Omeprazole Generic 25 0 $458
Losartan Potassium Generic 22 0 $370
Metoprolol Succinate Generic 19 0 $279
Eliquis (Apixaban) Brand 17 0 $7,250
Trazodone Hcl Generic 13 0 $43
Pantoprazole Sodium Generic 11 0 $290

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thatcher Houldin's medical specialty?
Dr. Thatcher Houldin practices Internal Medicine Physician in Portland, OR.
Where does Dr. Thatcher Houldin practice?
Dr. Thatcher Houldin practices at 4805 Ne Glisan St, Portland, OR 972132933. Office phone: 5032152392.
What is Dr. Thatcher Houldin's NPI?
Dr. Thatcher Houldin's National Provider Identifier (NPI) is 1578184511, issued by NPPES.
Does Dr. Thatcher Houldin accept Medicare assignment?
Yes. Dr. Thatcher Houldin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thatcher Houldin commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.