Provider Profile
Marietta R. Caiarelli, FNP
Unclaimed ProfileAbout Marietta Caiarelli
Marietta R. Caiarelli, FNP is a nurse practitioner based in Saint Louis, MO. Marietta is also listed as specializing in nurse practitioner — family. Medicare claims data shows Marietta provided 181 services to 177 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1891993481.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (314) 664-5565
- Email not available
Practice Locations
3646 FAIRVIEW AVE
Saint Louis, MO 63116
Procedures Most Often Billed to Medicare
181 services · 177 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
117 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
38 | More often than most peers in Nurse Practitioner |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
26 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What kind of doctor is Marietta R. Caiarelli?
Marietta R. Caiarelli is a nurse practitioner in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Marietta R. Caiarelli's address?
Marietta R. Caiarelli is listed at 3646 Fairview Ave, Saint Louis, MO 63116. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marietta R. Caiarelli?
The number on file is (314) 664-5565. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Marietta R. Caiarelli?
Marietta R. Caiarelli's National Provider Identifier is 1891993481. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Marietta R. Caiarelli train?
Marietta R. Caiarelli attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marietta R. Caiarelli have?
Marietta R. Caiarelli has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What procedures does Marietta R. Caiarelli perform?
According to Medicare billing data, Marietta R. Caiarelli the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marietta R. Caiarelli's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marietta R. Caiarelli. If this is you, claiming it is free.
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