Christopher Hamm, M.D.
NPI 1730490830 · Internal Medicine Physician · Des Peres, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Hamm, M.D. is a Internal Medicine Physician provider in Des Peres, MO (NPI 1730490830).
Provider details
- NPI number
- 1730490830
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2010019752 (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
16 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
1,813 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 | 832 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 363 | $124 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 335 | $16 |
| Administration of Influenza Virus VaccineG0008 | 104 | $31 |
| Admn Sarscov2 Vacc 1 Dose90480 | 45 | $42 |
| Administration of Pneumococcal VaccineG0009 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 195 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,707 | 497 |
| Amlodipine Besylate | 659 | 191 |
| Levothyroxine Sodium | 587 | 159 |
| Pantoprazole Sodium | 502 | 164 |
| Losartan Potassium | 424 | 129 |
| Alprazolam | 419 | 121 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 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
- 2010-06-23
- Last updated
- 2015-01-23
Frequently asked questions
- What is Christopher Hamm's NPI number?
- Christopher Hamm's National Provider Identifier (NPI) is 1730490830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Hamm's specialty?
- Christopher Hamm is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Hamm located?
- Christopher Hamm's practice location on file with NPPES is 1000 Des Peres Rd, Des Peres, MO 63131-2050.
- What is Christopher Hamm's phone number?
- The practice phone number listed in the NPPES registry for Christopher Hamm is (314) 821-1313.
- Does Christopher Hamm accept Medicare?
- Christopher Hamm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Hamm's NPI active?
- Yes — Christopher Hamm's NPI (1730490830) is active in the NPPES registry as of the last update on 2015-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.