1. Home
  2. Directory
  3. Missouri
  4. Saint Louis
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ALISON J WHELAN MD
NPI 1487670709
Internal Medicine in Saint Louis, MO

Active since July 14, 2006PECOS Enrolled
4921 PARKVIEW PL, 5TH FLOOR SUITE C, SAINT LOUIS, MO 63110(314) 362-7601(314) 362-7641 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Alison J Whelan Md NPPES

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

DR. ALISON J WHELAN MD (NPI 1487670709) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (R3N52) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487670709
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALISON J WHELANCredential: MD
Location Address4921 PARKVIEW PL, 5TH FLOOR SUITE CSaint Louis, MO 63110-1032
Mailing Address660 S Euclid Ave, C B 8045Saint Louis, MO 63110-1010 · (314) 362-7601 · Fax (314) 362-7641
Phone(314) 362-7601
Fax(314) 362-7641
Sole ProprietorNo
Enumeration DateJuly 14, 2006
Last NPPES UpdateSeptember 29, 2026
✔ NPI 1487670709 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · R3N52
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4921 PARKVIEW PL, Saint Louis, MO 63110
Open in Google Maps ↗

Other Identifiers 1

Medicaid128010381MO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alison J Whelan 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 Alison Whelan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Washington University
0.1 mi
Multi-Specialty
1 CHILDRENS PL
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • Also billed through NPI 1992746903 (Missouri)
  • 628 clinicians in this Medicare group
NPI 1194765685 (314) 286-1264

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
$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. CHARLES PHILLIPS JONES MD
Urology
4921 PARKVIEW PL, DIV SURG UROLOGY, STE 11C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-8200
DR. PRABHA RANGANATHAN MD
Internal Medicine (Rheumatology)
4921 PARKVIEW PL, DIV IM RHEUMATOLOGY, STE 5C
SAINT LOUIS, MO 63110
St. Louis City (314) 286-2635
DR. RALPH GERARD DACEY JR. MD
Neurological Surgery
4921 PARKVIEW PL, DEPT NEUROLOGICAL SURGERY, STE 6B/6C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-3577
DR. KRASIMIRA MIKHAILOVA MIKHOVA MD
Internal Medicine (Clinical Cardiac Electrophysiology)
4921 PARKVIEW PL, DIV IM CARDIOLOGY, STE 8B
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1291
DR. JEE YOUNG HAN MD
Psychiatry & Neurology (Neurology)
4921 PARKVIEW PL, DIV NEUROLOGY AGING AND DEMENTIA, STE 6C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1408
MS. MAREN JORGENSEN OT
Occupational Therapist
4921 PARKVIEW PL, DEPT OCCUPATIONAL THERAPY, STE 6F
SAINT LOUIS, MO 63110
St. Louis City (314) 286-1669
DR. ADRIAN SHIFREN MD
Internal Medicine (Pulmonary Disease)
4921 PARKVIEW PL, DIV IM PULMONARY AND CCM, 8TH FL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-8917
DR. MYRA L RUBIO MD
Internal Medicine
4921 PARKVIEW PL, STE 5A
SAINT LOUIS, MO 63110
St. Louis City (314) 747-5900

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 Alison Whelan's NPI number?

The NPI number for Alison Whelan is 1487670709. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Alison Whelan located?

Alison Whelan practices at 4921 Parkview Pl 5th Floor Suite C, Saint Louis, MO 63110. The listed phone number is (314) 362-7601.

What is Alison Whelan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alison Whelan enrolled in Medicare?

Yes. Alison Whelan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alison Whelan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alison Whelan reassigns Medicare benefits to Washington University (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 Alison Whelan'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 Alison Whelan was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.