Physician Profile
William K. Rosen, M.D. practices family medicine — geriatric medicine in Springfield, MO. William is a 1977 graduate of University of Missouri, Columbia School of Medicine. According to Medicare claims data, William cared for 284 Medicare patients across 350 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, insertion of needle into vein for collection of blood sample, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3525 S NATIONAL AVE STE 207
Springfield, MO 65807
Within Family Medicine — Geriatric Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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350 services · 284 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
114 | As often as other peers in Family Medicine — Geriatric… |
| Influenza vaccine, inactivated | Treatment | 90653 |
24 | As often as other peers in Family Medicine — Geriatric… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
127 | As often as other peers in Family Medicine — Geriatric… |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
38 | As often as other peers in Family Medicine — Geriatric… |
| Administration of influenza virus vaccine | Billing code | G0008 |
26 | As often as other peers in Family Medicine — Geriatric… |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
21 | Less often than most peers in Family Medicine — Geriatric… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
William K. Rosen is a family doctor in Springfield, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine — Geriatric Medicine”.
NPI registry
William K. Rosen is listed at 3525 S National Ave Ste 207, Springfield, MO 65807. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (417) 269-9220. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
William K. Rosen's National Provider Identifier is 1437240520. 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
William K. Rosen attended University of Missouri, Columbia School of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
William K. Rosen has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, William K. Rosen performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by William K. Rosen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.