DR. EMMA LOUISE LUDWIG MD
NPI 1942838552
Internal Medicine - Geriatric Medicine in Saint Louis, MO

Active since March 30, 2020PECOS EnrolledAccepts Medicare Assignment
10 BARNES WEST DR, DIV IM GERIATRICS, STE 200, SAINT LOUIS, MO 63141(314) 273-4374(314) 983-0155 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 10, 2024, Mar 30, 2020 (2 updates tracked since 2020).

About Dr. Emma Louise Ludwig Md NPPES

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

DR. EMMA LOUISE LUDWIG MD (NPI 1942838552) is an individual geriatric medicine provider in Saint Louis, Missouri, licensed in Missouri (2024024904) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Creighton University School Of Medicine (2020).

NPPES Registry Identity

NPI1942838552
Entity TypeIndividualFemale
Primary Taxonomy207RG0300X
Provider Legal NameDR. EMMA LOUISE LUDWIGCredential: MD
Location Address10 BARNES WEST DR, DIV IM GERIATRICS, STE 200Saint Louis, MO 63141-6287
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 273-4374 · Fax (314) 983-0155
Fax(314) 983-0155
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 2020
Enumeration DateMarch 30, 2020
Last NPPES UpdateApril 17, 20252 updates tracked since enumeration
NPPES CertifiedAugust 29, 2024
NPI 1942838552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License Licensed in MO · 2024024904
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
Also ListedInternal MedicineTaxonomy 207R00000X · License 2024024904 (MO)
10 BARNES WEST DR, Saint Louis, MO 63141

Other Identifiers 1

Medicaid200145359MO

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Emma Louise Ludwig Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476971482
PECOS Enrollment IDI20240910002556
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
123 services98 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
41 services41 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

Barnes-Jewish West County Hospital

Acute Care Hospitals · Creve Coeur, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260162
Location12634 Olive BoulevardCreve Coeur, MO 63141 · St. Louis County
Emergency services

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260179
Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County
Emergency services Birthing friendly

Barnes-Jewish St Peters Hospital

Acute Care Hospitals · Saint Peters, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260191
Location10 Hospital DrSaint Peters, MO 63376 · St. Charles County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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.

Internal Medicine (Nephrology)
10 BARNES WEST DR, DIV IM NEPHROLOGY, STE 200
SAINT LOUIS, MO 63141
Internal Medicine (Infectious Disease)
10 BARNES WEST DR, POB 2 STE 200
SAINT LOUIS, MO 63141
Radiology (Radiation Oncology)
10 BARNES WEST DR, STE 101
SAINT LOUIS, MO 63141
Internal Medicine (Geriatric Medicine)
10 BARNES WEST DR, DIV IM GERIATRICS, STE 200
SAINT LOUIS, MO 63141
Internal Medicine (Medical Oncology)
10 BARNES WEST DR, DIV IM MEDICAL ONCOLOGY, MOB #2
SAINT LOUIS, MO 63141
Internal Medicine (Geriatric Medicine)
10 BARNES WEST DR, DIV IM GERIATRICS, STE 200
SAINT LOUIS, MO 63141
Internal Medicine (Endocrinology, Diabetes & Metabolism)
10 BARNES WEST DR, DIV IM BONE AND MINERAL, STE 200
SAINT LOUIS, MO 63141
Radiology (Radiation Oncology)
10 BARNES WEST DR, DEPT RADIATION ONCOLOGY, STE 101
SAINT LOUIS, MO 63141

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 Emma Ludwig's NPI number?

The NPI number for Emma Ludwig is 1942838552. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Where is Emma Ludwig located?

Emma Ludwig practices at 10 Barnes West Dr Div Im Geriatrics, Ste 200, Saint Louis, MO 63141. The listed phone number is (314) 273-4374.

What is Emma Ludwig's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Emma Ludwig enrolled in Medicare?

Yes. Emma Ludwig is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Emma Ludwig accept?

Health plans from Cox HealthPlans list Emma Ludwig 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.

Is Emma Ludwig affiliated with any hospitals?

According to CMS data, Emma Ludwig is affiliated with Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital, St Lukes Hospital and Barnes-Jewish St Peters Hospital.

When was this NPI record last updated?

The NPPES record for Emma Ludwig was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.