Doctor profile · Federal record

Dr. John Marc Shellenberger, MD

Surgical Critical Care Physician (CMS: General Surgery) · Surgery Physician · Tulsa, OK

  • NPI 1548600992
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6161 S Yale Ave
Tulsa, OK 741361992
(918) 494-1805
fax (918) 494-4573
Mailing address
6600 S Yale Ave Ste 1400
Tulsa, OK 741363331

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
October 31, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2086S0102X — NUCC code
State licenses (2)
Oklahoma #34961 · Missouri #2013022036

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548600992. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
462
Distinct HCPCS
8
Medicare allowed
$52,343
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 181 89 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 89 88 $125
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 58 41 $48
99291 Critical care, first 30-74 minutes 39 13 $206
99238 Hospital discharge day management, 30 minutes or less 33 33 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 26 15 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 25 25 $167
47562 Removal of gallbladder using an endoscope 11 11 $633

In context: peer comparison

Among 7 peers in Tulsa Surgical Critical Care Physician, average services per provider: 69. This provider delivers 6.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$242
Transactions
8
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Haemonetics Corporation 1 $110.23
Smith+Nephew, INC. 2 $37.78
PolyNovo North America LLC 1 $22.08
AstraZeneca Pharmaceuticals Lp 1 $21.78
Potrero Medical, INC. 1 $17.79
Kls-Martin L.P. 1 $16.41
Becton, Dickinson and Company 1 $15.62

By nature of payment

Food and Beverage
$242

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
24
Total drug cost
$93
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 25 24 $93

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Marc Shellenberger's medical specialty?
Dr. John Marc Shellenberger practices Surgical Critical Care Physician in Tulsa, OK.
Where does Dr. John Marc Shellenberger practice?
Dr. John Marc Shellenberger practices at 6161 S Yale Ave, Tulsa, OK 741361992. Office phone: 9184941805.
What is Dr. John Marc Shellenberger's NPI?
Dr. John Marc Shellenberger's National Provider Identifier (NPI) is 1548600992, issued by NPPES.
Does Dr. John Marc Shellenberger accept Medicare assignment?
Yes. Dr. John Marc Shellenberger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Marc Shellenberger commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.