Doctor profile · Federal record

Dr. Hannah Ryan, M.D.

Internal Medicine Physician (CMS: Hospice/Palliative Care) · Hospice and Palliative Medicine (Internal Medicine) Physician · Oklahoma City, OK

  • NPI 1174880470
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Ne 10Th St
Oklahoma City, OK 731045418
(405) 271-6651
Mailing address
1122 Ne 13Th Street, Orb#1200
Oklahoma City, OK 73117

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
March 6, 2024
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Oregon #MD171469 · South Dakota #14180

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174880470. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
343
Distinct HCPCS
3
Medicare allowed
$24,302
HCPCS Description Services Patients Avg allowed
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 226 69 $29
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 84 82 $166
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 33 21 $114

In context: peer comparison

Among 90 peers in Oklahoma City Internal Medicine Physician, average services per provider: 133. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$86
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo INC. 1 $25.72
TerSera Therapeutics LLC 1 $24.93
Agios Pharmaceuticals, INC. 1 $20.06
Genentech USA, INC. 1 $15.52

By nature of payment

Food and Beverage
$86

Frequently asked questions

Auto-generated from federal data
What is Dr. Hannah Ryan's medical specialty?
Dr. Hannah Ryan practices Internal Medicine Physician in Oklahoma City, OK.
Where does Dr. Hannah Ryan practice?
Dr. Hannah Ryan practices at 800 Ne 10Th St, Oklahoma City, OK 731045418. Office phone: 4052716651.
What is Dr. Hannah Ryan's NPI?
Dr. Hannah Ryan's National Provider Identifier (NPI) is 1174880470, issued by NPPES.
Does Dr. Hannah Ryan accept Medicare assignment?
Yes. Dr. Hannah Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hannah Ryan commonly perform?
Top Medicare-reported procedures in 2023: Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (HCPCS G0316); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.