Daniel Weisel, MD
NPI 1629506522 · Family Medicine Physician · O Fallon, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Weisel, MD is a Family Medicine Physician provider in O Fallon, MO (NPI 1629506522).
Provider details
- NPI number
- 1629506522
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2020023474 (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
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
796 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 224 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 168 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 118 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 63 | $76 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $87 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 126 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 573 | 187 |
| Lisinopril | 343 | 107 |
| Amlodipine Besylate | 340 | 107 |
| Levothyroxine Sodium | 255 | 97 |
| Losartan Potassium | 217 | 75 |
| Metoprolol Succinate | 209 | 73 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$108 across 6 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 (1)
- 300 Pasteur Dr Rm Hc 435Stanford, CA 94305-2200Phone: (650) 723-5948Fax: (650) 723-3045
Registry dates
- Enumerated
- 2017-05-23
- Last updated
- 2022-07-21
- Certified
- 2021-03-31
Frequently asked questions
- What is Daniel Weisel's NPI number?
- Daniel Weisel's National Provider Identifier (NPI) is 1629506522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Weisel's specialty?
- Daniel Weisel is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Weisel located?
- Daniel Weisel's practice location on file with NPPES is 20 Progress Point Pkwy Ste 108, O Fallon, MO 63368-2207.
- What is Daniel Weisel's phone number?
- The practice phone number listed in the NPPES registry for Daniel Weisel is (636) 344-2400.
- Does Daniel Weisel accept Medicare?
- Daniel Weisel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Weisel's NPI active?
- Yes — Daniel Weisel's NPI (1629506522) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.