Jason Shellnut, M.D.
NPI 1144316340 · Surgery Physician · Royal Oak, MI
Enrolled with Medicare as Practitioner - Colorectal Surgery (proctology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Shellnut, M.D. is a Surgery Physician provider in Royal Oak, MI (NPI 1144316340).
Provider details
- NPI number
- 1144316340
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- R-6999 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
609 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 138 | $91 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 77 | $50 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 73 | $172 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 62 | $112 |
| Removal of External Hemorrhoids By Rubber Banding46221 | 45 | $284 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Betamethasone Valerate | 67 | 27 |
| Mesalamine | 47 | 13 |
| Metronidazole | 47 | 46 |
| Neomycin Sulfate | 42 | 40 |
| Ondansetron Hcl | 37 | 37 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 36 | 18 |
| Tamsulosin Hcl | 34 | 33 |
| Hydrocortisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2017-03-23
Frequently asked questions
- What is Jason Shellnut's NPI number?
- Jason Shellnut's National Provider Identifier (NPI) is 1144316340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Shellnut's specialty?
- Jason Shellnut is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Shellnut located?
- Jason Shellnut's practice location on file with NPPES is 1121 Crooks Rd, Royal Oak, MI 48067-1301.
- What is Jason Shellnut's phone number?
- The practice phone number listed in the NPPES registry for Jason Shellnut is (248) 541-8554.
- Does Jason Shellnut accept Medicare?
- Jason Shellnut is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Shellnut's NPI active?
- Yes — Jason Shellnut's NPI (1144316340) is active in the NPPES registry as of the last update on 2017-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.