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MELISSA K CAVAGHAN MD
NPI 1649234436
Internal Medicine - Endocrinology, Diabetes & Metabolism in Indianapolis, IN

Active since April 17, 2006PECOS EnrolledAccepts Medicare Assignment
550 UNIVERSITY BLVD # UH2180, INDIANAPOLIS, IN 46202(317) 944-5000(317) 962-1278 Get Directions Write a Review

NPPES record last updated: March 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 4, 2025, Dec 31, 2020, Nov 4, 2020 (3 updates tracked since 2020).

About Melissa K Cavaghan Md NPPES

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

MELISSA K CAVAGHAN MD (NPI 1649234436) is an individual endocrinology, diabetes & metabolism provider in Indianapolis, Indiana, licensed in Indiana (01053748A) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Indiana University Health Bloomington Hospital, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1649234436
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameMELISSA K CAVAGHANCredential: MD
Location Address550 UNIVERSITY BLVD # UH2180Indianapolis, IN 46202-5149
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959
Phone(317) 944-5000
Fax(317) 962-1278
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateApril 17, 2006
Last NPPES UpdateMarch 4, 20253 updates tracked since enumeration
NPPES CertifiedMarch 4, 2025
✔ NPI 1649234436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses✔ Licensed in IN · 01053748A✔ Licensed in IN · 01053748
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License 01053748A (IN)
550 UNIVERSITY BLVD # UH2180, Indianapolis, IN 46202
Open in Google Maps ↗

Secondary Practice Location 1

Location 11701 N Senate BlvdIndianapolis, IN 46202-1239 · Phone (888) 484-3258

Other Identifiers 2

Medicaid200216000IN
Other000000202225IN · Anthem Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, 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 and accepts Medicare assignment

Melissa K Cavaghan 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 ID9830109925
PECOS Enrollment IDI20100112000379
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

3

Medicare enrollment records show Melissa Cavaghan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Indiana University Health Care Associates, Inc
0.7 mi
General Practice
340 W TENTH ST
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 1,781 clinicians in this Medicare group
NPI 1902032832 (317) 278-3505
University Medical Diagnostic Associates, Inc.
1.1 mi
Internal Medicine
1701 N SENATE BLVD
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 358 clinicians in this Medicare group
NPI 1861441537 (317) 274-8660
Iu Health Medical Group, LLC
1.2 mi
General Practice
1701 N SENATE BLVD
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 5,212 clinicians in this Medicare group
NPI 1326893777 (317) 962-2000

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 9

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
136 services84 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
69 services50 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
66 services36 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
63 services39 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
42 services14 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
28 services16 patients

Hospital Affiliations CMS Care Compare 3

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

Indiana University Health Bloomington Hospital

Acute Care Hospitals · Bloomington, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150051
Location2651 East Discovery ParkwayBloomington, IN 47408 · Monroe County
Emergency services Birthing friendly

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Indiana University Health North Hospital

Acute Care Hospitals · Carmel, IN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150161
Location11700 N Meridian StCarmel, IN 46032 · Hamilton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 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 7

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
8 suppliers40 claims493 services$17.76 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
8 suppliers40 claims1,235 services$2.24 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
32 suppliers86 claims339 services$5.84 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
8 suppliers23 claims46 services$1.09 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
5 suppliers54 claims54 services$305.40 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
6 suppliers14 claims1,420 services$7.15 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Melissa Cavaghan's NPI number?

The NPI number for Melissa Cavaghan is 1649234436. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is Melissa Cavaghan located?

Melissa Cavaghan practices at 550 University Blvd # Uh2180, Indianapolis, IN 46202. The listed phone number is (317) 944-5000.

What is Melissa Cavaghan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Melissa Cavaghan enrolled in Medicare?

Yes. Melissa Cavaghan 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 Melissa Cavaghan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Cavaghan reassigns Medicare benefits to 3 organizations: Indiana University Health Care Associates, Inc (Indianapolis, IN), University Medical Diagnostic Associates, Inc. (Indianapolis, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). 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 Melissa Cavaghan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melissa Cavaghan accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Melissa Cavaghan 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 Melissa Cavaghan affiliated with any hospitals?

According to CMS data, Melissa Cavaghan is affiliated with Indiana University Health Bloomington Hospital, Indiana University Health and Indiana University Health North Hospital.

When was this NPI record last updated?

The NPPES record for Melissa Cavaghan was last updated on March 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.