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DR. MELISSA LEIGH LARSON M.D.
NPI 1912967688
Internal Medicine - Hematology in Chicago, IL

Active since March 25, 2006PECOS EnrolledAccepts Medicare Assignment
1725 W HARRISON ST, SUITE 809, CHICAGO, IL 60612(312) 563-2320 Get Directions Write a Review

NPPES record last updated: September 16, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Melissa Leigh Larson M.d. NPPES

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

DR. MELISSA LEIGH LARSON M.D. (NPI 1912967688) is an individual hematology provider in Chicago, Illinois, licensed in Illinois (036108941) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of Rush Medical College Of Rush University (2003).

NPPES Registry Identity

NPI1912967688
Entity TypeIndividualFemale
Primary Taxonomy207RH0000X
Provider Legal NameDR. MELISSA LEIGH LARSONCredential: M.D.
Location Address1725 W HARRISON ST, SUITE 809Chicago, IL 60612-3841
Mailing Address1725 W Harrison St, Suite 809Chicago, IL 60612-3841 · (312) 563-2320
Phone(312) 563-2320
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2003
Enumeration DateMarch 25, 2006
Last NPPES UpdateSeptember 16, 2011
✔ NPI 1912967688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License✔ Licensed in IL · 036108941
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
1725 W HARRISON ST, Chicago, IL 60612
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINI53889IL
Medicare ID-Type UnspecifiedK28433IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.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. Melissa Leigh Larson 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 ID9133132293
PECOS Enrollment IDI20060713000319
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 10

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.
254 services129 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
129 services50 patients
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.
82 services38 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.
67 services64 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.
48 services39 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.
27 services27 patients

Hospital Affiliations CMS Care Compare 3

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

Rush Oak Park Hospital

Acute Care Hospitals · Oak Park, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140063
Location520 S Maple AveOak Park, IL 60304 · Cook County
Emergency services

Rush University Medical Center

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140119
Location1653 West Congress ParkwayChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

DR. MARTA BATUS MD
Internal Medicine (Medical Oncology)
1725 W HARRISON ST, SUITE 809
CHICAGO, IL 60612
Cook County (312) 563-2487
KM WILLIAMS MD SC
Clinic/Center (Ophthalmologic Surgery)
1725 W HARRISON ST, STE 910
CHICAGO, IL 60612
Cook County (312) 622-7320
KENNETH M BOYER M.D.
Pediatrics (Pediatric Infectious Diseases)
1725 W HARRISON ST, SUITE 710
CHICAGO, IL 60612
Cook County (312) 942-3034
RUSH UNIVERSITY MEDICAL CENTER
Internal Medicine (Hematology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Cook County (312) 942-5904
DAVID ANSELL M.D.
Internal Medicine
1725 W HARRISON ST, SUITE 263
CHICAGO, IL 60612
Cook County (312) 942-6700
MIDWEST NEUROPSYCHIATRIC ASSOC LTD
Specialist
1725 W HARRISON ST, SUITE 744
CHICAGO, IL 60612
Cook County (312) 942-0118
JANICE DIESCHBOURG M.D.
Radiology (Diagnostic Radiology)
1725 W HARRISON ST, SUITE 155
CHICAGO, IL 60612
Cook County (312) 563-3269
AFFILIATED UROLOGISTS, LTD
Specialist
1725 W HARRISON ST, SUITE 762
CHICAGO, IL 60612
Cook County (312) 563-3447

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 Larson's NPI number?

The NPI number for Melissa Larson is 1912967688. It was assigned to this individual provider in the NPPES registry on March 25, 2006.

Where is Melissa Larson located?

Melissa Larson practices at 1725 W Harrison St Suite 809, Chicago, IL 60612. The listed phone number is (312) 563-2320.

What is Melissa Larson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Melissa Larson enrolled in Medicare?

Yes. Melissa Larson 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 Melissa Larson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Melissa Larson 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 Larson affiliated with any hospitals?

According to CMS data, Melissa Larson is affiliated with Rush Oak Park Hospital, Rush University Medical Center and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Melissa Larson was last updated on September 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.