DR. NAZANIN KHEIRKHAHAN MD
NPI 1811568504
Hospitalist in Alton, IL

Q: What is Nazanin Kheirkhahan's NPI number?

The NPI number for Nazanin Kheirkhahan is 1811568504. It was assigned to this individual provider in the NPPES registry on July 5, 2021.

Q: What is Nazanin Kheirkhahan's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Active since July 05, 2021PECOS EnrolledAccepts Medicare Assignment

1 MEMORIAL DR, ALTON, IL 62002(618) 463-7240(618) 463-7216 Get Directions Write a Review

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 19, 2025, Aug 7, 2024, Jul 5, 2021 (3 updates tracked since 2021).

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About Dr. Nazanin Kheirkhahan Md NPPES

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

DR. NAZANIN KHEIRKHAHAN MD (NPI 1811568504) is an individual hospitalist provider in Alton, Illinois, licensed in Illinois (036167254) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and maintains a secondary practice location in Alton.

NPPES Registry Identity

NPI1811568504

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameDR. NAZANIN KHEIRKHAHANCredential: MD

Location Address1 MEMORIAL DRAlton, IL 62002-6722

Mailing Address660 Mason Ridge Center Dr Ste 300Saint Louis, MO 63141-8512 · (314) 448-3791 · Fax (314) 996-7658

Phone(618) 463-7240

Fax(618) 463-7216

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateJuly 5, 2021

Last NPPES UpdateSeptember 19, 20253 updates tracked since enumeration

NPPES CertifiedSeptember 19, 2025

✔ NPI 1811568504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in IL · 036167254

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 125077973 (IL)

1 MEMORIAL DR, Alton, IL 62002

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Secondary Practice Location 1

Location 14 Memorial Dr Ste 210Alton, IL 62002-6704 · Phone (618) 433-6649

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. Nazanin Kheirkhahan 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 ID7315340999

PECOS Enrollment IDI20250103001170

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 5

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 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.

159 services62 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

49 services17 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

47 services45 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.

46 services28 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

19 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Alton Memorial Hospital

Acute Care Hospitals · Alton, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140002

LocationOne Memorial DriveAlton, IL 62002 · Madison County

Emergency services Birthing friendly

Memorial Hospital

Acute Care Hospitals · Belleville, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140185

Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62002 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

$131.14 typical visit price

range $56.28 – $173.35

Typical copayment $32.78 (range $14.07 – $43.33)

Most-billed visit code 99204

Established Patient

$99.71 typical visit price

range $17.51 – $139.99

Typical copayment $24.92 (range $4.37 – $34.99)

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.

DIA M MILAZZO CRNA

Nurse Anesthetist, Certified Registered

1 MEMORIAL DR
ALTON, IL 62002

Madison County (618) 463-7311

DR. JULETTA AVAGYAN M.D.

Hospitalist

1 MEMORIAL DR
ALTON, IL 62002

Madison County (618) 463-7240

RODGER HANKO M.D.

Emergency Medicine

1 MEMORIAL DR
ALTON, IL 62002

Madison County (618) 463-7311

MATTHEW E DUBAN M.D., FACEP

Emergency Medicine

1 MEMORIAL DR
ALTON, IL 62002

Madison County (618) 463-7311

MS. SYLVIA G HOORMANN CRNA

Nurse Anesthetist, Certified Registered

1 MEMORIAL DR
ALTON, IL 62002

Madison County (618) 463-7311

MS. MEREDITH ANNE PARKER MSW, LCSW

Social Worker (Clinical)

1 MEMORIAL DR, 2ND FLOOR, OLIN WING
ALTON, IL 62002

Madison County (618) 463-7523

HOME CARE PHARMACY REFILL CTR

Pharmacy (Mail Order Pharmacy)

1 MEMORIAL DR
ALTON, IL 62002

Madison County (618) 463-7833

ALTON MEMORIAL HOSPITAL

Ambulance

1 MEMORIAL DR
ALTON, IL 62002

Madison County (618) 463-7311

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 Nazanin Kheirkhahan's NPI number?

The NPI number for Nazanin Kheirkhahan is 1811568504. It was assigned to this individual provider in the NPPES registry on July 5, 2021.

Where is Nazanin Kheirkhahan located?

Nazanin Kheirkhahan practices at 1 Memorial Dr, Alton, IL 62002. The listed phone number is (618) 463-7240.

What is Nazanin Kheirkhahan's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Nazanin Kheirkhahan enrolled in Medicare?

Yes. Nazanin Kheirkhahan 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.

Is Nazanin Kheirkhahan affiliated with any hospitals?

According to CMS data, Nazanin Kheirkhahan is affiliated with Alton Memorial Hospital and Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Nazanin Kheirkhahan was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.