Mark Griffin, MD
NPI 1164416251 · Specialist · Lincoln, NE
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Griffin, MD is a Specialist provider in Lincoln, NE (NPI 1164416251).
Provider details
- NPI number
- 1164416251
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 19772 (NE)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,395 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 393 | $235 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 155 | $86 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 149 | $77 |
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope43248 | 77 | $142 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 74 | $86 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 419 | 414 |
| Omeprazole | 327 | 112 |
| Pantoprazole Sodium | 183 | 63 |
| Famotidine | 80 | 21 |
| Colestipol Hcl | 46 | 23 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 38 | 37 |
| Ondansetron Hcl | 32 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$988 across 42 records (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
- 2005-09-06
- Last updated
- 2014-09-18
Frequently asked questions
- What is Mark Griffin's NPI number?
- Mark Griffin's National Provider Identifier (NPI) is 1164416251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Griffin's specialty?
- Mark Griffin is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mark Griffin located?
- Mark Griffin's practice location on file with NPPES is 4545 R St, Lincoln, NE 68503-3723.
- What is Mark Griffin's phone number?
- The practice phone number listed in the NPPES registry for Mark Griffin is (402) 465-4545.
- Does Mark Griffin accept Medicare?
- Mark Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Griffin's NPI active?
- Yes — Mark Griffin's NPI (1164416251) is active in the NPPES registry as of the last update on 2014-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.