HEIDI LYNN ALVEY MD
NPI 1386938702
Internal Medicine - Critical Care Medicine in Indianapolis, IN

Active since June 02, 2011PECOS EnrolledAccepts Medicare Assignment
1701 N SENATE BLVD, INDIANAPOLIS, IN 46202(317) 962-5820(317) 962-3916 Get Directions Write a Review

NPPES record last updated: February 26, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 26, 2025, Oct 18, 2023, Jul 11, 2023 and 2 more (5 updates tracked since 2020).

About Heidi Lynn Alvey Md NPPES

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

HEIDI LYNN ALVEY MD (NPI 1386938702) is an individual critical care medicine provider in Indianapolis, Indiana, licensed in Indiana (01089876A) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1386938702
Entity TypeIndividualFemale
Primary Taxonomy207RC0200X
Provider Legal NameHEIDI LYNN ALVEYCredential: MD
Location Address1701 N SENATE BLVDIndianapolis, IN 46202-1239
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959
Fax(317) 962-3916
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2011
Enumeration DateJune 2, 2011
Last NPPES UpdateFebruary 26, 20255 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2025
✔ NPI 1386938702 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in IN · 01089876A
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedEmergency MedicineTaxonomy 207P00000X · License Q7828 (TX), 01089876A (IN)
1701 N SENATE BLVD, Indianapolis, IN 46202

Other Names 1

Former Name (1)Heidi Lynn Gretzinger Md

Secondary Practice Locations 2

Location 12401 S 31st StTemple, TX 76508-2608 · Phone (254) 724-2111
Location 21701 N Senate BlvdIndianapolis, IN 46202-1239 · Phone (888) 484-3258

Other Identifiers 2

Other1103103804IN · Anthem Ptan
Medicaid300078866IN

Accepted 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

Heidi Lynn Alvey 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 ID4981904133
PECOS Enrollment IDI20230705003374
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 Heidi Alvey reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dietitian, Registered
1800 N CAPITOL AVE, B445
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 1,781 clinicians in this Medicare group
General Practice
1701 N SENATE BLVD
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 5,212 clinicians in this Medicare group
Pulmonary Disease
1801 N SENATE BLVD, STE 230
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 318 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 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
83 services81 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
21 services21 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

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

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 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers15 claims15 services$17.62 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers12 claims12 services$90.54 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 20

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

Anesthesiology
1701 N SENATE BLVD
INDIANAPOLIS, IN 46202
Emergency Medicine
1701 N SENATE BLVD, B401
INDIANAPOLIS, IN 46202
Internal Medicine
1701 N SENATE BLVD
INDIANAPOLIS, IN 46202
Internal Medicine (Critical Care Medicine)
1701 N SENATE BLVD
INDIANAPOLIS, IN 46202
Nurse Practitioner (Family)
1701 N SENATE BLVD, RM AG 001
INDIANAPOLIS, IN 46202
Internal Medicine
1701 N SENATE BLVD
INDIANAPOLIS, IN 46202
Pediatrics (Pediatric Cardiology)
1701 N SENATE BLVD
INDIANAPOLIS, IN 46202
Internal Medicine (Sleep Medicine)
1701 N SENATE BLVD
INDIANAPOLIS, IN 46202

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 Heidi Alvey's NPI number?

The NPI number for Heidi Alvey is 1386938702. It was assigned to this individual provider in the NPPES registry on June 2, 2011. The provider is also known as Heidi Lynn Gretzinger MD.

Where is Heidi Alvey located?

Heidi Alvey practices at 1701 N Senate Blvd, Indianapolis, IN 46202. The listed phone number is (317) 962-5820.

What is Heidi Alvey's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Heidi Alvey enrolled in Medicare?

Yes. Heidi Alvey 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 Heidi Alvey's services?

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

What insurance does Heidi Alvey accept?

Health plans from Blue Cross and Blue Shield of Texas, CareSource and Cigna Healthcare list Heidi Alvey 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 Heidi Alvey affiliated with any hospitals?

According to CMS data, Heidi Alvey is affiliated with Indiana University Health.

When was this NPI record last updated?

The NPPES record for Heidi Alvey was last updated on February 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.