SPECIALISTS IN INTERNAL MEDICINE, PC – Internal Medicine Physician, NPI 1023096187

SPECIALISTS IN INTERNAL MEDICINE, PC is a healthcare provider. based in Clayton, Missouri. specializing in Internal Medicine Physician. The NPI Number for SPECIALISTS IN INTERNAL MEDICINE, PC is 1023096187

Main info

Organization
Name
SPECIALISTS IN INTERNAL MEDICINE, PC
NPI
1023096187
Phone
(314) 721-6936
Address
950 FRANCIS PL
Authorized Official
DR. MELVIN J BUTLER PRESIDENT MD
Enumeration Date
8 January 2006
Last Update Date
22 August 2020
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience45
Completeness75
Years active:20State licenses:0Digital endpointsOther names

Loading map...

Provider Addresses for SPECIALISTS IN INTERNAL MEDICINE, PC

  • 950, Francis Place, Clayton, Saint Louis County, Missouri, 63105, United States

    STE 317

    CLAYTON, MO 631052465

    Phone: (314) 721-6936

    Fax: (314) 721-6915

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

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.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-08-13

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
O20040813000294OClinic/Group PracticeMOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 63105)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Does SPECIALISTS IN INTERNAL MEDICINE, PC share an NPI with anyone else?
NPI numbers are unique to each provider or organization — SPECIALISTS IN INTERNAL MEDICINE, PC uses 1023096187.
Is SPECIALISTS IN INTERNAL MEDICINE, PC listed as active for patients and plans?
The listing shows SPECIALISTS IN INTERNAL MEDICINE, PC as active in the NPI system.
What taxonomy line describes SPECIALISTS IN INTERNAL MEDICINE, PC?
For research purposes, treat SPECIALISTS IN INTERNAL MEDICINE, PC as Internal Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.
Where is SPECIALISTS IN INTERNAL MEDICINE, PC based?
SPECIALISTS IN INTERNAL MEDICINE, PC is tied to Clayton, Missouri in the data we show; additional addresses may exist on the full record.
What does 'Organization' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

Similar Providers

St. Louis Medical Clinic

Infusion Therapy Clinic/Center
PO BOX 11750
NPI: 1174505127

DR. MARK ALAN SCHEPERLE (M.D.)

Internal Medicine Physician
1034, South Brentwood Boulevard, Richmond Heights, Saint Louis County, Missouri, 63117, United States
NPI: 1265417034

DR. MELVIN J BUTLER (MD)

Internal Medicine Physician
950, Francis Place, Clayton, Saint Louis County, Missouri, 63105, United States
NPI: 1841278850

DR. NAMAN A GHAZAL-ALBAR (MD)

Internal Medicine Physician
401 Corporate Park Dr
NPI: 1639144785

DR. LEE PETER BEE (D.O., F.A.C.O.I.)

Internal Medicine Physician
7721 CLAYTON RD
NPI: 1669429908

SHIKHA GARG (M.D.)

Internal Medicine Physician
Beth Israel Deaconess Medical Center East Campus, 330, Brookline Avenue, Audubon Square, Boston, Suffolk County, Massachusetts, 02215, United States
NPI: 1730114729

DR. CHARLENE GOTTLIEB (M.D.)

Internal Medicine Physician
8000, Bonhomme Avenue, Clayton, Saint Louis County, Missouri, 63105, United States
NPI: 1700990942

DR. ABID NISAR (MD)

Family Medicine Physician
2730 S SAINT PETERS PKWY STE 103
NPI: 1245375567

MUHAMMAD NASEERUDDIN (M.D.)

Internal Medicine Physician
PO BOX 37
NPI: 1194849224