MARK D DIAMOND D.O.
NPI 1265402804
Hospitalist in Joliet, IL

Q: What is Mark Diamond's NPI number?

The NPI number for Mark Diamond is 1265402804. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Q: What is Mark Diamond'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 Mark Diamond was last updated on August 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since January 25, 2006PECOS EnrolledAccepts Medicare Assignment

2100 GLENWOOD AVE, JOLIET, IL 60435(815) 725-2121(815) 744-3117 Get Directions Write a Review

NPPES record last updated: August 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 7, 2023, Mar 7, 2023, Oct 12, 2021 and 2 more (5 updates tracked since 2016).

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About Mark D Diamond D.o. NPPES

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

MARK D DIAMOND D.O. (NPI 1265402804) is an individual hospitalist provider in Joliet, Illinois, licensed in Illinois (036091440) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and is a graduate of Chicago College Of Osteopathy (1993).

NPPES Registry Identity

NPI1265402804

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameMARK D DIAMONDCredential: D.O.

Location Address2100 GLENWOOD AVEJoliet, IL 60435-5487

Mailing AddressPo Box 713260Chicago, IL 60677-1260 · (630) 469-9200

Phone(815) 725-2121

Fax(815) 744-3117

Sole ProprietorNo

Medical School CMSChicago College Of OsteopathyGraduated 1993

Enumeration DateJanuary 25, 2006

Last NPPES UpdateAugust 7, 20235 updates tracked since enumeration

NPPES CertifiedAugust 7, 2023

✔ NPI 1265402804 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 · 036091440

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 ListedInternal MedicineTaxonomy 207R00000X · License 036091440 (IL)

2100 GLENWOOD AVE, Joliet, IL 60435

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Other Identifiers 1

Medicaid036091440IL

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

Mark D Diamond D.o. 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 ID9537143474

PECOS Enrollment IDI20070728000051

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 6

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.

412 services165 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.

221 services190 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.

208 services119 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.

193 services175 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

19 services19 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.

12 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Presence Saint Joseph Medical Center

Acute Care Hospitals · Joliet, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140007

Location333 N Madison StJoliet, IL 60435 · Will County

Emergency services Birthing friendly

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140062

Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County

Emergency services Birthing friendly

Silver Cross Hospital And Medical Centers

Acute Care Hospitals · New Lenox, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140213

Location1900 Silver Cross BlvdNew Lenox, IL 60451 · Will County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60435 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.

Referred Medical Equipment & Supplies CMS DME claims 4

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

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

1 supplier15 claims15 services$46.70 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier29 claims29 services$15.21 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier25 claims25 services$3.63 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 suppliers40 claims40 services$64.21 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.

MERIDIAN MEDICAL ASSOCIATES, SC

Internal Medicine