Ann Freihoff, CPNP
NPI 1972014645 · Pediatric Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Freihoff, CPNP is a Pediatric Nurse Practitioner provider in Saint Louis, MO (NPI 1972014645).
Provider details
- NPI number
- 1972014645
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2016002418 (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 tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sevelamer Carbonate | 53 | 11 |
| Amlodipine Besylate | 27 | — |
| Sodium Polystyrene Sulfon/Sorbbrand: Sps | 21 | — |
| Sodium Polystyrene Sulfonate | 19 | — |
| Fluconazole | 18 | — |
| Labetalol Hcl | 18 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-10-20
- Last updated
- 2021-03-25
- Certified
- 2021-03-25
Frequently asked questions
- What is Ann Freihoff's NPI number?
- Ann Freihoff's National Provider Identifier (NPI) is 1972014645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Freihoff's specialty?
- Ann Freihoff is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ann Freihoff located?
- Ann Freihoff's practice location on file with NPPES is 1465 S Grand Blvd, Saint Louis, MO 63104-1003.
- What is Ann Freihoff's phone number?
- The practice phone number listed in the NPPES registry for Ann Freihoff is (314) 577-5662.
- Does Ann Freihoff accept Medicare?
- Ann Freihoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Freihoff's NPI active?
- Yes — Ann Freihoff's NPI (1972014645) is active in the NPPES registry as of the last update on 2021-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.