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Edit this profileAt a glance
- 810 E 23Rd St, Sioux Falls, SD 57105
About John Oldenkamp
John O. Oldenkamp, PA-C is a physician assistant based in Sioux Falls, SD. Medicare claims data shows John provided 481 services to 105 patients. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, aspiration and/or injection of fluid from large joint, and replacement of thigh bone and hip joint with prosthesis. The provider's National Provider Identifier (NPI) is 1013740091.
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
- (605) 331-5890
- Email not available
Practice Locations
810 E 23RD ST
Sioux Falls, SD 57105
Procedures Most Often Billed to Medicare
481 services · 105 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
52 | As often as other peers in Physician Assistant |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
12 | Less often than most peers in Physician Assistant |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
417 | More often than most peers in Physician Assistant |
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.
Other physician assistants at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other physician assistants in Sioux Falls 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2024 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 6
Providers in SD who bill this service to Medicare most often.
Common questions
What kind of doctor is John O. Oldenkamp?
John O. Oldenkamp is a physician assistant in Sioux Falls, SD. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is John O. Oldenkamp's address?
John O. Oldenkamp is listed at 810 E 23Rd St, Sioux Falls, SD 57105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John O. Oldenkamp?
The number on file is (605) 331-5890. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John O. Oldenkamp?
John O. Oldenkamp's National Provider Identifier is 1013740091. 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 John O. Oldenkamp train?
John O. Oldenkamp attended Other, graduating in 2024. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John O. Oldenkamp have?
John O. Oldenkamp has 2 years experience. Calculated from a graduation year of 2024, reported in the CMS National Downloadable File.
CMS public data
What procedures does John O. Oldenkamp perform?
According to Medicare billing data, John O. Oldenkamp performs procedures including aspiration and/or injection of fluid from large joint and replacement of thigh bone and hip joint with prosthesis. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John O. Oldenkamp's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John O. Oldenkamp. If this is you, claiming it is free.
Guide.md
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