Nicholas Frederickson, M.D.
NPI 1154640225 · Gastroenterology Physician · Washington, MO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Frederickson, M.D. is a Gastroenterology Physician provider in Washington, MO (NPI 1154640225).
Provider details
- NPI number
- 1154640225
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R-8906 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
306 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $112 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 43 | $217 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 39 | $90 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 36 | $229 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 34 | $62 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 586 | 571 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 278 | 271 |
| Omeprazole | 136 | 47 |
| Pantoprazole Sodium | 58 | 15 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 58 | 58 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 54 | 53 |
| Dicyclomine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-05-27
- Last updated
- 2020-01-14
- Certified
- 2020-01-14
Frequently asked questions
- What is Nicholas Frederickson's NPI number?
- Nicholas Frederickson's National Provider Identifier (NPI) is 1154640225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Frederickson's specialty?
- Nicholas Frederickson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Frederickson located?
- Nicholas Frederickson's practice location on file with NPPES is 901 Patients First Drive Suite 3300, Washington, MO 63090.
- What is Nicholas Frederickson's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Frederickson is (636) 239-7344.
- Does Nicholas Frederickson accept Medicare?
- Nicholas Frederickson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Frederickson's NPI active?
- Yes — Nicholas Frederickson's NPI (1154640225) is active in the NPPES registry as of the last update on 2020-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.