DAGAN HAMMAR MD
NPI 1194287151
Hospitalist in Winfield, IL

Q: What is Dagan Hammar's NPI number?

The NPI number for Dagan Hammar is 1194287151. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Q: What is Dagan Hammar's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dagan Hammar was last updated on March 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since April 01, 2019PECOS EnrolledAccepts Medicare Assignment

97.58/100

CMS Quality Rating

25 N WINFIELD RD, WINFIELD, IL 60190(630) 933-4700(630) 933-4427 Get Directions Write a Review

NPPES record last updated: March 27, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Mar 27, 2025, Mar 20, 2023, May 27, 2022 and 1 more (4 updates tracked since 2019).

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About Dagan Hammar Md NPPES

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

DAGAN HAMMAR MD (NPI 1194287151) is an individual hospitalist provider in Winfield, Illinois, licensed in Colorado (068209) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Delnor Community Hospital, and maintains a secondary practice location in Aurora.

NPPES Registry Identity

NPI1194287151

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameDAGAN HAMMARCredential: MD

Location Address25 N WINFIELD RDWinfield, IL 60190-1379

Mailing Address25 N Winfield RdWinfield, IL 60190-1379 · (630) 933-4700 · Fax (630) 933-4427

Phone(630) 933-4700

Fax(630) 933-4427

Sole ProprietorNo

Medical School CMSWestern Michigan Un Homer Stryker School Of MedGraduated 2019

Enumeration DateApril 1, 2019

Last NPPES UpdateMarch 27, 20254 updates tracked since enumeration

NPPES CertifiedMarch 27, 2025

✔ NPI 1194287151 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CO · 068209

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.

25 N WINFIELD RD, Winfield, IL 60190

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Secondary Practice Location 1

Location 112605 E 16th AveAurora, CO 80045-2545 · Phone (720) 848-0000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.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

Dagan Hammar 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 ID3577806801

PECOS Enrollment IDI20250617001571

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 4

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 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.

255 services100 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.

76 services41 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.

58 services55 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.

31 services31 patients

Hospital Affiliations CMS Care Compare 3

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

Northwestern Medicine Delnor Community Hospital

Acute Care Hospitals · Geneva, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140211

Location300 Randall RdGeneva, IL 60134 · Kane County

Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page 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 60190 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.58/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

86.53

Promoting Interoperability

100

Improvement Activities

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.

JOSEPH RAYMOND SCHNEIDER MD

Surgery (Vascular Surgery)

25 N WINFIELD RD, SUITE 201
WINFIELD, IL 60190

Dupage County (630) 933-4487

JESSICA LASAK BERNARDI APN

Nurse Practitioner