Unknown Individual – Geriatric Medicine (Internal Medicine) Physician, NPI 1558403519

Unknown Individual is a healthcare provider. based in Springfield, Missouri. specializing in Geriatric Medicine (Internal Medicine) Physician. They hold a License No. 105696 (MO). The NPI Number for Unknown Individual is 1558403519

Main info

Organization
Inactive
58 Years Of Experience
Accepts Medicare Assignment
Name
Unknown Individual
NPI
1558403519
Phone
(417) 829-4620
Address
PO BOX 2580
Deactivation Date
4 September 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4177245220
Graduation Year
1968 (58 years ago)
PAC ID
1254243447
Group Practice PAC ID
7416865845
Professional Enrollment ID
I20031105000393
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience14
Completeness75
Years active:0State licenses:1Digital endpointsOther names

Provider Addresses for Unknown Individual

  • PO BOX 2580

    SPRINGFIELD, MO 658012580

    Phone: (417) 829-4620

    Fax: (417) 829-4316

    Type: Mailing

  • 1965 S FREMONT AVE

    SUITE 300

    SPRINGFIELD, MO 658042201

    Phone: (417) 820-3760

    Fax: (417) 820-3770

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes22876$0
99215Established patient office or other outpatient visit, 40-54 minutes3433$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit3333$0
G0008Administration of influenza virus vaccine2626$0
90662Influenza vaccine split virus, preservative free2424$0
View full utilization report →

Insurance plans in this area (ZIP 65801)

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Provider's Procedures

Unknown Individual performs procedures in Geriatric Medicine (Internal Medicine) Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEMO90670Pneumococcal vaccine for injection into muscle1414

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7416865845View full group profile

Reviews

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Frequently asked questions

What is the 10-digit NPI for Unknown Individual?
Unknown Individual — NPI 1558403519 — is the standard way to identify this listing.
Why might Unknown Individual appear inactive while still practicing?
We display what the registry publishes: Unknown Individual appears inactive there.
What is Unknown Individual best known for clinically?
Directory data describes Unknown Individual with Geriatric Medicine (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.
Where is Unknown Individual based?
Unknown Individual is tied to Springfield, Missouri in the data we show; additional addresses may exist on the full record.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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