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DR. JOHN MICHAEL OBERLIN M.D.
NPI 1407862485
Pediatrics - Pediatric Endocrinology in Saint Louis, MO

Active since July 31, 2006PECOS Enrolled
1465 S GRAND BLVD RM 3728, SAINT LOUIS, MO 63104(314) 577-5648(314) 268-6448 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 5, 2026, Dec 10, 2024 (2 updates tracked since 2024).

About Dr. John Michael Oberlin M.d. NPPES

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

DR. JOHN MICHAEL OBERLIN M.D. (NPI 1407862485) is an individual pediatric endocrinology provider in Saint Louis, Missouri, licensed in Missouri (2005021465) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407862485
Entity TypeIndividualMale
Primary Taxonomy2080P0205X
Provider Legal NameDR. JOHN MICHAEL OBERLINCredential: M.D.
Location Address1465 S GRAND BLVD RM 3728Saint Louis, MO 63104-1003
Mailing Address1465 S Grand BlvdSaint Louis, MO 63104-1003 · (314) 577-5648 · Fax (314) 268-6448
Phone(314) 577-5648
Fax(314) 268-6448
Sole ProprietorNo
Enumeration DateJuly 31, 2006
Last NPPES UpdateMarch 5, 20262 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1407862485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
License✔ Licensed in MO · 2005021465
Definition
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
Also ListedPediatricsTaxonomy 208000000X · License 2005021465 (MO)
1465 S GRAND BLVD RM 3728, Saint Louis, MO 63104
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John Michael Oberlin M.d. 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 John Oberlin 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 63104 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
$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.

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 John Oberlin's NPI number?

The NPI number for John Oberlin is 1407862485. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is John Oberlin located?

John Oberlin practices at 1465 S Grand Blvd Rm 3728, Saint Louis, MO 63104. The listed phone number is (314) 577-5648.

What is John Oberlin's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is John Oberlin enrolled in Medicare?

Yes. John Oberlin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Oberlin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Oberlin 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 John Oberlin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Oberlin accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list John Oberlin 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 John Oberlin was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.