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DR. ALVIN K SCHERGEN MD
NPI 1306828074
Internal Medicine - Hematology & Oncology in Saint Louis, MO

Active since November 17, 2005PECOS Enrolled
6400 CLAYTON RD, SUITE 302, SAINT LOUIS, MO 63117(314) 645-3370(314) 645-0576 Get Directions Write a Review

NPPES record last updated: December 15, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Alvin K Schergen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALVIN K SCHERGEN MD (NPI 1306828074) is an individual hematology & oncology provider in Saint Louis, Missouri, licensed in Missouri (R8B76) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306828074
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. ALVIN K SCHERGENCredential: MD
Location Address6400 CLAYTON RD, SUITE 302Saint Louis, MO 63117-1850
Mailing Address10777 Sunset Office Dr, Suite 310Saint Louis, MO 63127-1019 · (314) 822-5900 · Fax (314) 822-5919
Phone(314) 645-3370
Fax(314) 645-0576
Sole ProprietorNo
Enumeration DateNovember 17, 2005
Last NPPES UpdateDecember 15, 2008
✔ NPI 1306828074 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MO · R8B76
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
6400 CLAYTON RD, Saint Louis, MO 63117
Open in Google Maps ↗

Other Identifiers 16

Other2055735MO · Aetna
Other116650MO · Healthlink
Medicare UPINA10220MO
Other027001Provider Number
Other110016471MO · Railroad Medicare
Other1719340MO · Cigna
Other5598523Provider Number
Other000000010274MO · Essence Health Plan
Other3490MO · Ghp
OtherBLC001420600Provider Number
Medicare PIN000002104MO
Other43405MO · Ghp
Other3600048MO · United Healthcare
Medicaid201617214MO
Other101305MO · Healthlink Hmo
Other10864MO · Blue Choice

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alvin K Schergen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alvin Schergen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mercy Clinic Springfield Communities
192 mi
Family Medicine
3231 S NATIONAL AVE STE 220
Springfield, MO 65807
  • Reassigned Medicare billing, Missouri enrollment
  • 1,565 clinicians in this Medicare group
NPI 1245277631 (855) 420-7900

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63117 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$169.38 typical visit price
range $55.65 – $169.38
Typical copayment $42.34 (range $13.91 – $42.34)
Most-billed visit code 99205
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALLEN M JACOBS DPM
Podiatrist (Foot & Ankle Surgery)
6400 CLAYTON RD, STE 402
SAINT LOUIS, MO 63117
St. Louis County (314) 367-6545
DR. PIOTR KULIKOWSKI MD
Internal Medicine
6400 CLAYTON RD, STE 303
SAINT LOUIS, MO 63117
St. Louis County (314) 647-6666
UMAR DAUD MD
Internal Medicine (Rheumatology)
6400 CLAYTON RD, SUITE 110
SAINT LOUIS, MO 63117
St. Louis County (314) 645-4434
JIANMEI LIU M.D.
Internal Medicine
6400 CLAYTON RD, SUITE 401
SAINT LOUIS, MO 63117
St. Louis County (314) 644-6500
DR. EDWARD W. HEIDBRIER MD PC
Internal Medicine (Geriatric Medicine)
6400 CLAYTON RD, STE 107
SAINT LOUIS, MO 63117
St. Louis County (314) 645-2810
JOEL RILEY M.D.
Internal Medicine (Gastroenterology)
6400 CLAYTON RD, SUITE 216
SAINT LOUIS, MO 63117
St. Louis County (314) 951-5368
CLAYTON SLEEP INSTITUTE, LLC
Clinic/Center
6400 CLAYTON RD, STE 303
SAINT LOUIS, MO 63117
St. Louis County (314) 645-5855
AHMAD CARDIOLOGY INC
Internal Medicine (Cardiovascular Disease)
6400 CLAYTON RD, SUITE 316
RICHMOND HEIGHTS, MO 63117
St. Louis County (314) 644-2333

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alvin Schergen's NPI number?

The NPI number for Alvin Schergen is 1306828074. It was assigned to this individual provider in the NPPES registry on November 17, 2005.

Where is Alvin Schergen located?

Alvin Schergen practices at 6400 Clayton Rd Suite 302, Saint Louis, MO 63117. The listed phone number is (314) 645-3370.

What is Alvin Schergen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Alvin Schergen enrolled in Medicare?

Yes. Alvin Schergen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alvin Schergen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alvin Schergen reassigns Medicare benefits to Mercy Clinic Springfield Communities (Springfield, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alvin Schergen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alvin Schergen was last updated on December 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.