Physician Profile
Unclaimed ProfileAbout FELDER
Guy William Felder, M.D. is a healthcare provider in Saint Louis, MO specialising in internal medicine. Guy trained at Saint Louis University School of Medicine, graduating in 1988.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Felder?
Dr. Felder is an internal medicine in Saint Louis, MO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Felder's address?
Dr. Felder is listed at 5640C TELEGRAPH RD, Saint Louis, MO 63129. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Felder?
The number on file is (314) 293-4413. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Felder's NPI number?
Dr. Felder's National Provider Identifier is 1427159714. 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 Dr. Felder train?
Dr. Felder attended Saint Louis University School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Felder been practising?
Dr. Felder has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Felder perform?
According to Medicare billing data, Dr. Felder 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
Has Dr. Felder confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Felder. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (314) 293-4413
- Email not available
Practice Locations
5640C TELEGRAPH RD
Saint Louis, MO 63129
Procedures Most Often Billed to Medicare
50 services · 48 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
28 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
22 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines in Saint Louis 8
Same specialty, same city.
Trained at Saint Louis University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Saint Louis University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.