Nathaniel Adams, MD
NPI 1548838535 · Internal Medicine Physician · Hazelwood, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Adams, MD is a Internal Medicine Physician provider in Hazelwood, MO (NPI 1548838535).
Provider details
- NPI number
- 1548838535
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2023006977 (MO)
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
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
141 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 31 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $117 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 18 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 17 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 16 | $10 |
| Administration of Influenza Virus VaccineG0008 | 16 | $31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 27 | 19 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 22 | — |
| Amlodipine Besylate | 21 | 16 |
| Levothyroxine Sodium | 16 | 11 |
| Lisinopril | 16 | — |
| Losartan Potassium | 16 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$128 across 7 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
Additional practice locations (2)
- 1551 Wall St Ste 400Saint Charles, MO 63303-3541Phone: (636) 669-7006Fax: (636) 669-7008
- 1551 Wall St Ste 410Saint Charles, MO 63303-3541Phone: (314) 838-5702Fax: (314) 839-5596
Registry dates
- Enumerated
- 2021-06-15
- Last updated
- 2025-01-06
- Certified
- 2025-01-06
Frequently asked questions
- What is Nathaniel Adams's NPI number?
- Nathaniel Adams's National Provider Identifier (NPI) is 1548838535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Adams's specialty?
- Nathaniel Adams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Adams located?
- Nathaniel Adams's practice location on file with NPPES is 637 Dunn Rd Ste 170, Hazelwood, MO 63042-1759.
- What is Nathaniel Adams's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Adams is (636) 838-5702.
- Does Nathaniel Adams accept Medicare?
- Nathaniel Adams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Adams's NPI active?
- Yes — Nathaniel Adams's NPI (1548838535) is active in the NPPES registry as of the last update on 2025-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.