MARCUS AARON OGINSKY MD
NPI 1598860884
Hospitalist in Denver, CO

Q: What is Marcus Oginsky's NPI number?

The NPI number for Marcus Oginsky is 1598860884. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Q: What is Marcus Oginsky'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 Marcus Oginsky was last updated on August 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 September 13, 2006PECOS EnrolledAccepts Medicare Assignment

835 E 18TH AVE STE 110, DENVER, CO 80218(303) 825-4646(303) 825-3215 Get Directions Write a Review

NPPES record last updated: August 13, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 13, 2018, Nov 1, 2017 (2 updates tracked since 2017).

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About Marcus Aaron Oginsky Md NPPES

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

MARCUS AARON OGINSKY MD (NPI 1598860884) is an individual hospitalist provider in Denver, Colorado, licensed in Colorado (43833) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (2003).

NPPES Registry Identity

NPI1598860884

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameMARCUS AARON OGINSKYCredential: MD

Location Address835 E 18TH AVE STE 110Denver, CO 80218

Mailing Address835 E 18th Ave Ste 110Denver, CO 80218-1024 · (303) 825-4646 · Fax (303) 825-3215

Phone(303) 825-4646

Fax(303) 825-3215

Sole ProprietorNo

Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 2003

Enumeration DateSeptember 13, 2006

Last NPPES UpdateAugust 13, 20182 updates tracked since enumeration

✔ NPI 1598860884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CO · 43833

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 43833 (CO)

835 E 18TH AVE STE 110, Denver, CO 80218

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Other Identifiers 1

Medicaid05300037CO

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

Marcus Aaron Oginsky 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 ID9537164892

PECOS Enrollment IDI20060921000077

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 Reassignment

Medicare enrollment records show Marcus Oginsky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Intermountain Medical Group Denver, LLC

Same address

Hospitalist

835 E 18TH AVE STE 110
Denver, CO 80218

Reassigned Medicare billing, Colorado enrollment
1,270 clinicians in this Medicare group

NPI 1467081877 (303) 825-4646

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 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 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.

104 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.

48 services25 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.

45 services45 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.

35 services27 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.

22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80218 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

$132.55 typical visit price

range $58.06 – $174.82

Typical copayment $33.13 (range $14.51 – $43.70)

Most-billed visit code 99204

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

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 suppliers36 claims36 services$13.98 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 suppliers36 claims36 services$61.84 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.

DR. DAVID MORRIS JACKSON MD

Hospitalist