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

TERRI M MCMILLAN MD
NPI 1104036813
Allergy & Immunology in Beavercreek, OH

Q: What is Terri Mcmillan's NPI number?

The NPI number for Terri Mcmillan is 1104036813. It was assigned to this individual provider in the NPPES registry on May 23, 2007.

Q: What is Terri Mcmillan's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Terri Mcmillan was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.

Active since May 23, 2007PECOS Enrolled

86.48/100

CMS Quality Rating

2359 LAKEVIEW DR, BEAVERCREEK, OH 45431(800) 999-1249(855) 656-7325 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Terri M Mcmillan Md NPPES

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

TERRI M MCMILLAN MD (NPI 1104036813) is an individual allergy & immunology provider in Beavercreek, Ohio, licensed in Ohio (35.092899) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Miami Valley Hospital, and maintains a secondary practice location in Cincinnati.

NPPES Registry Identity

NPI1104036813

Entity TypeIndividualFemale

Primary Taxonomy207K00000X

Provider Legal NameTERRI M MCMILLANCredential: MD

Location Address2359 LAKEVIEW DRBeavercreek, OH 45431-3695

Mailing Address9800 Shelbyville Rd Ste 220Louisville, KY 40223-2992 · (800) 999-1249 · Fax (855) 656-7325

Phone(800) 999-1249

Fax(855) 656-7325

Sole ProprietorNo

Medical School CMSWashington College Of Physicians And SurgeonsGraduated 2006

Enumeration DateMay 23, 2007

Last NPPES UpdateOctober 20, 2026

NPPES CertifiedOctober 20, 2026

✔ NPI 1104036813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in OH · 35.092899

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License 35.092899 (OH)

2359 LAKEVIEW DR, Beavercreek, OH 45431

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Secondary Practice Location 1

Location 13333 Burnet Ave, ML 2000Cincinnati, OH 45229-3039 · Phone (513) 636-6771 · Fax (513) 636-4615

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

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

Terri M Mcmillan 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 ID547399529

PECOS Enrollment IDI20100601000472

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 Terri Mcmillan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ohio Allergy Associates, Inc.

12 mi

Allergy & Immunology

8039 WASHINGTON VILLAGE DRIVE, STE 100
Centerville, OH 45458

Reassigned Medicare billing, Ohio enrollment
5 clinicians in this Medicare group

NPI 1962489435 (937) 435-8999

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 14

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.

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

3,235 services71 patients

Professional service for multiple injections of allergen 95117

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

1,734 services113 patients

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

1,436 services103 patients

Professional service for single injection of allergen 95115

A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.

446 services29 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

316 services44 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.

127 services106 patients

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.

111 services92 patients

Administration and interpretation of patient-focused health risk assessment 96160

This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.

109 services76 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

103 services15 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

57 services54 patients

Test to measure the level of nitric oxide gas 95012

A test to measure the level of nitric oxide gas helps assess inflammation in the lungs, often linked with asthma. You'll breathe into a device, and it'll provide a reading of nitric oxide levels. This helps monitor and manage respiratory conditions.

53 services50 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.

38 services38 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

27 services27 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.

25 services25 patients

Hospital Affiliations CMS Care Compare 2

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

Miami Valley Hospital

Acute Care Hospitals · Dayton, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360051

LocationOne Wyoming StreetDayton, OH 45409 · Montgomery County

Emergency services Birthing friendly

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

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.

86.48/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

99.21

Improvement Activities

Cost

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.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

1 supplier12 claims47 services$18.41 avg. paid by Medicare

Injection, immune globulin (hizentra), 100 mg J1559

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier12 claims3,840 services$9.52 avg. paid by Medicare

Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552

DME-Other DME · category DE000N

1 supplier12 claims48 services$2.37 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

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

MRS. DENA DENISE BELL CFNP

Nurse Practitioner (Family)

2359 LAKEVIEW DR
BEAVERCREEK, OH 45431

Greene County (937) 431-0721

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 Terri Mcmillan's NPI number?

The NPI number for Terri Mcmillan is 1104036813. It was assigned to this individual provider in the NPPES registry on May 23, 2007.

Where is Terri Mcmillan located?

Terri Mcmillan practices at 2359 Lakeview Dr, Beavercreek, OH 45431. The listed phone number is (800) 999-1249.

What is Terri Mcmillan's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Terri Mcmillan enrolled in Medicare?

Yes. Terri Mcmillan 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.

Which organization bills Medicare for Terri Mcmillan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Terri Mcmillan reassigns Medicare benefits to Ohio Allergy Associates, Inc. (Centerville, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Terri Mcmillan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Terri Mcmillan accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, AmeriHealth Caritas Next and Anthem Blue Cross and Blue Shield and 4 other insurers list Terri Mcmillan 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 Terri Mcmillan affiliated with any hospitals?

According to CMS data, Terri Mcmillan is affiliated with Miami Valley Hospital and Kettering Health Dayton.

When was this NPI record last updated?

The NPPES record for Terri Mcmillan was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.