Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARY MULLEN M.D.
NPI 1780079186
Internal Medicine in Dayton, OH

Active since April 02, 2015PECOS EnrolledAccepts Medicare Assignment
78.93/100
CMS Quality Rating
405 W GRAND AVE, DAYTON, OH 45405(937) 723-3276(937) 723-3277 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 5, 2023, Mar 29, 2023, Oct 22, 2019 and 5 more (8 updates tracked since 2017).

About Dr. Mary Mullen M.d. NPPES

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

DR. MARY MULLEN M.D. (NPI 1780079186) is an individual internal medicine provider in Dayton, Ohio, licensed in Ohio (35.146965) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Kettering Health Dayton, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1780079186
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARY MULLENCredential: M.D.
Location Address405 W GRAND AVEDayton, OH 45405-7538
Mailing Address2002 Oakshade CtCrestwood, KY 40014-2000 · (765) 586-0868
Fax(937) 723-3277
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 2015
Enumeration DateApril 2, 2015
Last NPPES UpdateJune 29, 20268 updates tracked since enumeration
NPPES CertifiedJune 29, 2026
NPI 1780079186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in OH · 35.146965 Licensed in KY · 52306
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.
Also ListedPediatricsTaxonomy 208000000X · License 52306 (KY)
Also ListedHospitalistTaxonomy 208M00000X · License 35.146965 (OH)
405 W GRAND AVE, Dayton, OH 45405

Other Names 1

Former Name (1)Mary Rush Md

Secondary Practice Locations 3

Location 11 Audubon Plaza DrLouisville, KY 40217-1318 · Phone (502) 636-7111
Location 2200 E Chestnut St Ste 303Louisville, KY 40202-1831 · Phone (502) 629-5552 · Fax (502) 629-3132
Location 3550 S Jackson St Rm A3K00Louisville, KY 40202-1622 · Phone (502) 852-4277

Accepted 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. Mary Mullen 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 ID5193030724
PECOS Enrollment IDI20230524000675
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.

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.
324 services255 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
127 services127 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
47 services42 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.
37 services31 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
23 services23 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.
18 services18 patients

Hospital Affiliations CMS Care Compare

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

Kettering Health Dayton

Acute Care Hospitals · Dayton, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number360133
Location405 Grand AvenueDayton, OH 45405 · Montgomery County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45405 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

78.93/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.8
Promoting Interoperability100
Improvement Activities40
Cost59.98

Referred Medical Equipment & Supplies CMS DME claims 3

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
1 supplier16 claims16 services$14.81 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
2 suppliers17 claims17 services$63.27 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers20 claims20 services$16.80 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.

Emergency Medicine
405 W GRAND AVE
DAYTON, OH 45405
Student in an Organized Health Care Education/Training Program
405 W GRAND AVE
DAYTON, OH 45405
Emergency Medicine
405 W GRAND AVE
DAYTON, OH 45405
Obstetrics & Gynecology
405 W GRAND AVE
DAYTON, OH 45405
Nurse Anesthetist, Certified Registered
405 W GRAND AVE
DAYTON, OH 45405
Student in an Organized Health Care Education/Training Program
405 W GRAND AVE
DAYTON, OH 45405
Student in an Organized Health Care Education/Training Program
405 W GRAND AVE
DAYTON, OH 45405
Internal Medicine
405 W GRAND AVE, C/O MEDICAL EDUCATION
DAYTON, OH 45405

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 Mary Mullen's NPI number?

The NPI number for Mary Mullen is 1780079186. It was assigned to this individual provider in the NPPES registry on April 2, 2015. The provider is also known as Mary Rush MD.

Where is Mary Mullen located?

Mary Mullen practices at 405 W Grand Ave, Dayton, OH 45405. The listed phone number is (937) 723-3276.

What is Mary Mullen's specialty?

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

Is Mary Mullen enrolled in Medicare?

Yes. Mary Mullen 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 Mary Mullen accept?

Health plans from CareSource and Oscar Health Insurance list Mary Mullen 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 Mary Mullen affiliated with any hospitals?

According to CMS data, Mary Mullen is affiliated with Kettering Health Dayton.

When was this NPI record last updated?

The NPPES record for Mary Mullen was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.