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RAYMOND G SLAVIN MD
NPI 1780694877
Internal Medicine - Allergy & Immunology in Saint Louis, MO

Active since August 09, 2006PECOS Enrolled
81.57/100
CMS Quality Rating
3660 VISTA AVE, SAINT LOUIS, MO 63110(314) 977-8827(314) 977-8816 Get Directions Write a Review

NPPES record last updated: March 17, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Raymond G Slavin Md NPPES

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

RAYMOND G SLAVIN MD (NPI 1780694877) is an individual allergy & immunology provider in Saint Louis, Missouri, licensed in Missouri (26448) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1780694877
Entity TypeIndividualMale
Primary Taxonomy207RA0201X
Provider Legal NameRAYMOND G SLAVINCredential: MD
Location Address3660 VISTA AVESaint Louis, MO 63110-2540
Mailing Address3691 Rutger Ave, Provider EnrollmentSt Louis, MO 63110 · (314) 977-4440
Phone(314) 977-8827
Fax(314) 977-8816
Sole ProprietorNo
Enumeration DateAugust 9, 2006
Last NPPES UpdateMarch 17, 2008
✔ NPI 1780694877 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0201X
License✔ Licensed in MO · 26448
Definition
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
3660 VISTA AVE, Saint Louis, MO 63110
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Raymond G Slavin 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 Raymond Slavin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ssm Health Care Group
0.2 mi
Internal Medicine
1225 SOUTH GRAND BLVD, 2L - DOOR 3,4
Saint Louis, MO 63104
  • Reassigned Medicare billing, Missouri enrollment
  • 1,294 clinicians in this Medicare group
NPI 1306589544 (314) 977-6100

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 63110 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.09
Promoting Interoperability100
Improvement Activities40
Cost54.28

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.

CHRISTINA TSAI
Internal Medicine
3660 VISTA AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 977-6100
KRISTA L LENTINE MD,PHD
Internal Medicine (Nephrology)
3660 VISTA AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 977-8765
MARGARET M WILSON MD
Internal Medicine (Geriatric Medicine)
3660 VISTA AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 977-8462
DR. NANCY Z. DELANEY M.D.
Internal Medicine
3660 VISTA AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 977-6100
DR. ESTHER A. GONZALEZ M.D.
Internal Medicine (Nephrology)
3660 VISTA AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 577-8765
CHRISTIAN HENDRIX
Internal Medicine
3660 VISTA AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 977-6100
MARILYN A. MAXWELL M.D.
Internal Medicine
3660 VISTA AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 977-6100
HESSELBERG DRUG COMPANY
Pharmacy (Community/Retail Pharmacy)
3660 VISTA AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 771-2900

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 Raymond Slavin's NPI number?

The NPI number for Raymond Slavin is 1780694877. It was assigned to this individual provider in the NPPES registry on August 9, 2006.

Where is Raymond Slavin located?

Raymond Slavin practices at 3660 Vista Ave, Saint Louis, MO 63110. The listed phone number is (314) 977-8827.

What is Raymond Slavin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is Raymond Slavin enrolled in Medicare?

Yes. Raymond Slavin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Raymond Slavin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Raymond Slavin reassigns Medicare benefits to Ssm Health Care Group (Saint Louis, 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 Raymond Slavin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Raymond Slavin accept?

Health plans from Oscar Insurance Company list Raymond Slavin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Raymond Slavin was last updated on March 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.