DR. STEVEN HUNT DIENER M.D.
NPI 1558362111
Internal Medicine in Columbia, MD

Active since August 04, 2005PECOS EnrolledAccepts Medicare Assignment
89.42/100
CMS Quality Rating
5900 WATERLOO RD STE 200, COLUMBIA, MD 21045(410) 740-2900(410) 992-0732 Get Directions Write a Review

NPPES record last updated: March 16, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Steven Hunt Diener M.d. NPPES

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

DR. STEVEN HUNT DIENER M.D. (NPI 1558362111) is an individual internal medicine provider in Columbia, Maryland, licensed in Maryland (D34868) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1984).

NPPES Registry Identity

NPI1558362111
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. STEVEN HUNT DIENERCredential: M.D.
Location Address5900 WATERLOO RD STE 200Columbia, MD 21045-2641
Mailing Address7580 Buckingham Blvd Ste 220Hanover, MD 21076-3210 · (410) 729-5100
Fax(410) 992-0732
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 1984
Enumeration DateAugust 4, 2005
Last NPPES UpdateMarch 16, 2023
NPPES CertifiedMarch 16, 2023
NPI 1558362111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MD · D34868
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5900 WATERLOO RD STE 200, Columbia, MD 21045

Other Identifiers 11

Other398142-01MD · Carefirst Md Rendering
Other4087647MD · Aetna Fee For Service
OtherP12727MD · Carefirst Mpos
Other066221MD · Aetna Capitated
Other1333045MD · Cigna Pin
Other110140700MD · Rr Medicare
Other243354MD · Mamsi Specialist
Other14480MD · Jhhc Provider Number
Medicaid443221500MD
Other843354MD · Mamsi Primary Care
Other3509-0002MD · Carefirst Bluechoice

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. Steven Hunt Diener 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 ID3173654449
PECOS Enrollment IDI20100630000444
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 36

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,409 services647 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
794 services506 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
626 services428 patients
Uric acid level, blood 84550
A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.
549 services396 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
498 services375 patients
Blood test, thyroid stimulating hormone (tsh) 84443
A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.
423 services349 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21045 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

89.42/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.38
Promoting Interoperability100
Improvement Activities40
Cost76.36

Referred Medical Equipment & Supplies CMS DME claims 13

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
15 suppliers33 claims64 services$5.56 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers13 claims13 services$0.90 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
2 suppliers13 claims25 services$9.38 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
5 suppliers22 claims22 services$33.36 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
2 suppliers12 claims12 services$83.42 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
4 suppliers12 claims63 services$17.51 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 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
5900 WATERLOO RD STE 200
COLUMBIA, MD 21045
Nurse Practitioner
5900 WATERLOO RD STE 200
COLUMBIA, MD 21045
Internal Medicine
5900 WATERLOO RD STE 200
COLUMBIA, MD 21045
Nurse Practitioner (Family)
5900 WATERLOO RD STE 200
COLUMBIA, MD 21045
Nurse Practitioner (Primary Care)
5900 WATERLOO RD STE 200
COLUMBIA, MD 21045
Internal Medicine
5900 WATERLOO RD STE 200
COLUMBIA, MD 21045
Internal Medicine
5900 WATERLOO RD STE 200
COLUMBIA, MD 21045
Internal Medicine
5900 WATERLOO RD STE 200
COLUMBIA, MD 21045

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 Steven Diener's NPI number?

The NPI number for Steven Diener is 1558362111. It was assigned to this individual provider in the NPPES registry on August 4, 2005.

Where is Steven Diener located?

Steven Diener practices at 5900 Waterloo Rd Ste 200, Columbia, MD 21045. The listed phone number is (410) 740-2900.

What is Steven Diener's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Steven Diener enrolled in Medicare?

Yes. Steven Diener 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.

When was this NPI record last updated?

The NPPES record for Steven Diener was last updated on March 16, 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.