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DR. MARK ALAN WASHINGTON M.D.
NPI 1396079406
Hospitalist in Gary, IN

Active since September 22, 2009PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: February 18, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark Alan Washington M.d. NPPES

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

DR. MARK ALAN WASHINGTON M.D. (NPI 1396079406) is an individual hospitalist provider in Gary, Indiana, licensed in Indiana (01071818A) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS, is affiliated with Grand Lake Health System, and is a graduate of Howard University College Of Medicine (2009).

NPPES Registry Identity

NPI1396079406
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. MARK ALAN WASHINGTONCredential: M.D.
Location Address600 GRANT STGary, IN 46402-6001
Mailing Address7731 Delaware CtMerrillville, IN 46410-5636 · (219) 682-6065
Phone(121) 988-6400
Sole ProprietorYes
Medical School CMSHoward University College Of MedicineGraduated 2009
Enumeration DateSeptember 22, 2009
Last NPPES UpdateFebruary 18, 2020
✔ NPI 1396079406 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IN · 01071818A
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 01071818A (IN)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
600 GRANT ST, Gary, IN 46402
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.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. Mark Alan Washington 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 ID9234372418
PECOS Enrollment IDI20130909000318, I20230919002549
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 7

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.

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.
416 services356 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.
413 services355 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.
350 services255 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.
334 services194 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.
54 services54 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.
48 services30 patients

Hospital Affiliations CMS Care Compare 3

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

Grand Lake Health System

Acute Care Hospitals · Saint Marys, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360032
Location200 Saint Clair StreetSaint Marys, OH 45885 · Auglaize County
Emergency services Birthing friendly

Mercer County Joint Township Community Hospital

Acute Care Hospitals · Coldwater, OH
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number360058
Location800 West Main StreetColdwater, OH 45828 · Mercer County
Birthing friendly

Mercy Health-St Rita's Medical Center

Acute Care Hospitals · Lima, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360066
Location730 West Market StreetLima, OH 45801 · Allen County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46402 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

KELE IVEY RN
Registered Nurse
600 GRANT ST
GARY, IN 46402
Lake County (219) 886-4498
LINDA T STEWART MD LTD
Physical Medicine & Rehabilitation
600 GRANT ST
GARY, IN 46402
Lake County (219) 886-4899
EVELINA ZIEBA PA-C
Physician Assistant
600 GRANT ST
GARY, IN 46402
Lake County (219) 886-4000
JULIE ANN SEDLACEK PA
Physician Assistant
600 GRANT ST
GARY, IN 46402
Lake County (219) 886-4710
KEVA SWOPES
Psychiatry & Neurology (Psychiatry)
600 GRANT ST
GARY, IN 46402
Lake County (219) 886-4740
MISS HEATHER ANDRYUK PHARMD
Pharmacist
600 GRANT ST
GARY, IN 46402
Lake County (219) 886-4620
PREMIER HOSPITALIST PC
Internal Medicine
600 GRANT ST
GARY, IN 46402
Lake County (708) 288-3452
KAITLYNN SAXE RN
Registered Nurse
600 GRANT ST
GARY, IN 46402
Lake County (219) 886-4710

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 Mark Washington's NPI number?

The NPI number for Mark Washington is 1396079406. It was assigned to this individual provider in the NPPES registry on September 22, 2009.

Where is Mark Washington located?

Mark Washington practices at 600 Grant St, Gary, IN 46402. The listed phone number is (121) 988-6400.

What is Mark Washington's specialty?

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

Is Mark Washington enrolled in Medicare?

Yes. Mark Washington 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 Mark Washington accept?

Health plans from CareSource list Mark Washington 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 Mark Washington affiliated with any hospitals?

According to CMS data, Mark Washington is affiliated with Grand Lake Health System, Mercer County Joint Township Community Hospital and Mercy Health-St Rita's Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Washington was last updated on February 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.