Christopher Hemmer, ANP
NPI 1700802659 · Nurse Practitioner · Saint Peters, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Hemmer, ANP is a Nurse Practitioner provider in Saint Peters, MO (NPI 1700802659).
Provider details
- NPI number
- 1700802659
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ANP
- Sex
- Male
- Sole proprietor
- No
- License
- 138546 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
223 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 66 | $141 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 64 | $98 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $74 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 16 | $27 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 49 | 44 |
| Prednisone | 48 | 47 |
| Tizanidine Hcl | 40 | 32 |
| Tramadol Hcl | 32 | 32 |
| Gabapentin | 21 | 11 |
| Cephalexin | 12 | 12 |
| Ondansetronbrand: Ondansetron Odt | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2015-12-09
Frequently asked questions
- What is Christopher Hemmer's NPI number?
- Christopher Hemmer's National Provider Identifier (NPI) is 1700802659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Hemmer's specialty?
- Christopher Hemmer is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Hemmer located?
- Christopher Hemmer's practice location on file with NPPES is 112 Piper Hill Dr, Saint Peters, MO 63376-1690.
- What is Christopher Hemmer's phone number?
- The practice phone number listed in the NPPES registry for Christopher Hemmer is (636) 229-5900.
- Does Christopher Hemmer accept Medicare?
- Christopher Hemmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Hemmer's NPI active?
- Yes — Christopher Hemmer's NPI (1700802659) is active in the NPPES registry as of the last update on 2015-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.