DR. JOAN LEGREE SHEMWELL M.D.
NPI 1609921758
Internal Medicine in Indianapolis, IN

Active since January 25, 2007PECOS EnrolledAccepts Medicare Assignment
3834 S EMERSON AVE STE 100, INDIANAPOLIS, IN 46203(317) 782-1577(888) 366-7577 Get Directions Write a Review

NPPES record last updated: July 24, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joan Legree Shemwell M.d. NPPES

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

DR. JOAN LEGREE SHEMWELL M.D. (NPI 1609921758) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Kentucky (23426) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (1981).

NPPES Registry Identity

NPI1609921758
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOAN LEGREE SHEMWELLCredential: M.D.
Location Address3834 S EMERSON AVE STE 100Indianapolis, IN 46203
Mailing AddressPo Box 3299Carson City, NV 89702-3299 · (775) 222-0044 · Fax (888) 700-0187
Fax(888) 366-7577
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 1981
Enumeration DateJanuary 25, 2007
Last NPPES UpdateJuly 24, 2018
✔ NPI 1609921758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in KY · 23426
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.
Also ListedSpecialistTaxonomy 174400000X
3834 S EMERSON AVE STE 100, Indianapolis, IN 46203

Other Identifiers 3

Other000000548687Anthem Bcbs
Medicaid201293140IN
Medicaid64234263KY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joan Legree Shemwell M.d. 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 ID5496649212
PECOS Enrollment IDI20040212000048
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 Reassignments

6

Medicare enrollment records show Joan Shemwell reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nurse Practitioner
150 W MARKET ST STE 400
Indianapolis, IN 46204
  • Reassigned Medicare billing, Kentucky enrollment
  • 86 clinicians in this Medicare group
Family Medicine
2100 MIDWAY ST # 3722
Columbus, IN 47201
  • Reassigned Medicare billing, Kentucky enrollment
  • 114 clinicians in this Medicare group
Adult Medicine
8398 MISSISSIPPI ST FL 2
Merrillville, IN 46410
  • Reassigned Medicare billing, Kentucky enrollment
  • 145 clinicians in this Medicare group
Nurse Practitioner
828 LANE ALLEN RD STE 219
Lexington, KY 40504
  • Reassigned Medicare billing, Kentucky enrollment
  • 66 clinicians in this Medicare group
Nurse Practitioner
101 CABARRUS AVE E STE 100
Concord, NC 28025
  • Reassigned Medicare billing, Kentucky enrollment
  • 65 clinicians in this Medicare group
Nurse Practitioner
8820 COLUMBIA 100 PKWY STE 430
Columbia, MD 21045
  • Reassigned Medicare billing, Kentucky enrollment
  • 100 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

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.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
188 services122 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
176 services122 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
129 services42 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
98 services41 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
74 services51 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
38 services34 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46203 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

Referred Medical Equipment & Supplies CMS DME claims 14

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Insertion tray with drainage bag with indwelling catheter, foley type, two-way, all silicone A4315
DME-Orthotic Devices · category DF000N
2 suppliers11 claims11 services$25.39 avg. paid by Medicare
Urinary catheter anchoring device, adhesive skin attachment, each A4333
DME-Orthotic Devices · category DF000N
2 suppliers16 claims192 services$2.13 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
2 suppliers18 claims18 services$7.94 avg. paid by Medicare
Ostomy skin barrier, powder, per oz A4371
DME-Orthotic Devices · category DF010N
1 supplier14 claims14 services$3.53 avg. paid by Medicare
Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
1 supplier12 claims240 services$4.91 avg. paid by Medicare
Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394
DME-Orthotic Devices · category DF010N
2 suppliers33 claims776 services$2.48 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
3834 S EMERSON AVE STE 100
INDIANAPOLIS, IN 46203
Internal Medicine
3834 S EMERSON AVE STE 100
INDIANAPOLIS, IN 46203
Nurse Practitioner (Adult Health)
3834 S EMERSON AVE STE 100
INDIANAPOLIS, IN 46203

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 Joan Shemwell's NPI number?

The NPI number for Joan Shemwell is 1609921758. It was assigned to this individual provider in the NPPES registry on January 25, 2007.

Where is Joan Shemwell located?

Joan Shemwell practices at 3834 S Emerson Ave Ste 100, Indianapolis, IN 46203. The listed phone number is (317) 782-1577.

What is Joan Shemwell's specialty?

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

Is Joan Shemwell enrolled in Medicare?

Yes. Joan Shemwell 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.

Which organizations bill Medicare for Joan Shemwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joan Shemwell reassigns Medicare benefits to 6 organizations: Eventus Ecs, Inc (Indianapolis, IN), Eventus Wholehealth Midwest Inc (Columbus, IN), Extended Care Specialists, Inc (Merrillville, IN), Eventus Ecs - Kentucky, PLLC (Lexington, KY), Eventus Wh Midwest Care, LLC (Concord, NC) and 1 more organization, listed in the Medicare section above. Each 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 Joan Shemwell'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 Joan Shemwell was last updated on July 24, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.