AARON MILSTONE MD
NPI 1134211550
Internal Medicine - Pulmonary Disease in Franklin, TN

Q: What is Aaron Milstone's NPI number?

The NPI number for Aaron Milstone is 1134211550. It was assigned to this individual provider in the NPPES registry on September 30, 2006.

Q: What is Aaron Milstone's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Aaron Milstone was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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 30, 2006PECOS EnrolledAccepts Medicare Assignment

4323 CAROTHERS PKWY STE 605, FRANKLIN, TN 37067(615) 790-4159(615) 790-4158 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Aaron Milstone Md NPPES

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

AARON MILSTONE MD (NPI 1134211550) is an individual pulmonary disease provider in Franklin, Tennessee, licensed in Tennessee (27593) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Williamson Medical Center, and is a graduate of Wayne State University School Of Medicine (1994).

NPPES Registry Identity

NPI1134211550

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameAARON MILSTONECredential: MD

Location Address4323 CAROTHERS PKWY STE 605Franklin, TN 37067-5922

Mailing Address4323 Carothers Pkwy, Suite 605Franklin, TN 37067-5914 · (615) 790-4159 · Fax (615) 790-4158

Phone(615) 790-4159

Fax(615) 790-4158

Sole ProprietorNo

Medical School CMSWayne State University School Of MedicineGraduated 1994

Enumeration DateSeptember 30, 2006

Last NPPES UpdateSeptember 5, 2025

NPPES CertifiedSeptember 5, 2025

✔ NPI 1134211550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in TN · 27593

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 27593 (TN)

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 27593 (TN)

Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 27593 (TN)

4323 CAROTHERS PKWY STE 605, Franklin, TN 37067

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama 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

Aaron Milstone 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 ID7315001039

PECOS Enrollment IDI20090126000131, I20190820000866

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 Reassignments

Medicare enrollment records show Aaron Milstone reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Williamson Medical Group, LLC

Same address

Internal Medicine

4323 CAROTHERS PKWY, SUITE 505
Franklin, TN 37067

Reassigned Medicare billing, Tennessee enrollment
77 clinicians in this Medicare group

NPI 1366872053 (615) 435-7780

Maui Medical Group Inc

4,280 mi

Internal Medicine

2180 MAIN ST
Wailuku, HI 96793

Reassigned Medicare billing, Hawaii enrollment
82 clinicians in this Medicare group

NPI 1215963970 (808) 242-6464

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 25

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.

Methacholine chloride administered as inhalation solution through a nebulizer, per 1 mg J7674

Methacholine chloride is a medication given through a nebulizer as an inhalation solution. It's used to check how responsive or sensitive your lungs are, often to diagnose conditions like asthma. You'll inhale it, and your lung function will be monitored.

1,600 services16 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.

1,078 services718 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.

140 services140 patients

Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation G0399

A Home Sleep Test (HST) with a Type III Portable Monitor is an unattended test that records your breathing, heart rate, and oxygen levels during sleep. This test uses a minimum of 4 channels to monitor these parameters, helping to diagnose sleep disorders.

132 services129 patients

Test to determine lung volumes using gas dilution or washout 94727

This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.

129 services129 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

127 services127 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

105 services105 patients

Sleep study in sleep lab (6 years or older) 95810

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

81 services80 patients

Therapy procedure using a positive pressure ventilator 94660

A positive pressure ventilator is a device that helps with breathing. It pushes air into the lungs to assist in maintaining oxygen levels. This can be essential for patients with conditions that affect their ability to breathe independently. It's non-invasive and comfortable.

64 services64 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.

64 services39 patients

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811

A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.

62 services62 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 services34 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

44 services42 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

42 services40 patients

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811

39 services37 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.

39 services39 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.

37 services36 patients

Therapy procedure using a positive pressure ventilator 94660

35 services34 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

30 services28 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

26 services26 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

19 services19 patients

Test to measure lung airway sensitivity 94070

This procedure, called a Bronchial Challenge Test, evaluates how sensitive your lungs are to substances that may cause asthma symptoms. You'll inhale a certain substance, and then your lung function is measured. It aids in diagnosing and managing asthma.

16 services16 patients

Test to measure rate of airflow 94375

This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.

16 services16 patients

Test for allergy using drugs 95070

An allergy test using drugs helps identify if a person is allergic to certain medications. During this test, a small amount of the suspected drug is given and the patient's reaction is monitored. This test should always be performed under medical supervision to ensure safety.

16 services16 patients

Pneumococcal vaccine, 23-valent 90732

The 23-valent pneumococcal vaccine is an injection that helps protect against serious infections caused by 23 types of pneumococcal bacteria. It's vital for those at risk, like older adults or people with certain health conditions, to prevent pneumonia, meningitis, and bloodstream infections.

14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Williamson Medical Center

Acute Care Hospitals · Franklin, TN

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440029

Location4321 Carothers ParkwayFranklin, TN 37067 · Williamson County

Emergency services Birthing friendly

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440039

Location1211 Medical Center DriveNashville, TN 37232 · Davidson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37067 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

$121.80 typical visit price

range $52.64 – $160.89

Typical copayment $30.45 (range $13.16 – $40.22)

Most-billed visit code 99204

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

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.

Referred Medical Equipment & Supplies CMS DME claims 33

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

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

42 suppliers626 claims626 services$33.89 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

4 suppliers28 claims54 services$1.64 avg. paid by Medicare

Small volume nonfiltered pneumatic nebulizer, disposable A7004

DME-Other DME · category DE000N

2 suppliers23 claims46 services$1.09 avg. paid by Medicare

Filter, disposable, used with aerosol compressor or ultrasonic generator A7013

DME-Other DME · category DE000N

3 suppliers14 claims15 services$0.52 avg. paid by Medicare

Aerosol mask, used with dme nebulizer A7015

DME-Other DME · category DE000N

3 suppliers14 claims14 services$1.36 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

26 suppliers331 claims331 services$81.90 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

23 suppliers336 claims920 services$31.41 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

29 suppliers428 claims2,347 services$16.81 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

30 suppliers295 claims1,596 services$12.74 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

40 suppliers726 claims726 services$47.10 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

39 suppliers619 claims619 services$16.00 avg. paid by Medicare

Chinstrap used with positive airway pressure device A7036

DME-Other DME · category DE001N

15 suppliers67 claims67 services$8.21 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

25 suppliers362 claims362 services$11.84 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

48 suppliers990 claims5,501 services$1.94 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

24 suppliers233 claims233 services$5.61 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

34 suppliers367 claims367 services$11.12 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

6 suppliers51 claims51 services$15.54 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

2 suppliers14 claims14 services$44.17 avg. paid by Medicare

Home ventilator, any type, used with invasive interface, (e.g., tracheostomy tube) E0465

DME-Other DME · category DE005N

1 supplier12 claims12 services$913.90 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

2 suppliers14 claims14 services$908.52 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

8 suppliers69 claims69 services$75.87 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0471

DME-Other DME · category DE001N

3 suppliers27 claims27 services$185.85 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

15 suppliers89 claims89 services$118.77 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

3 suppliers43 claims44 services$10.15 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

4 suppliers40 claims42 services$7.03 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

23 suppliers826 claims826 services$29.90 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

20 suppliers282 claims285 services$81.25 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

15 suppliers159 claims159 services$33.95 avg. paid by Medicare

Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms J7606

DME-Drugs Administered Through DME · category DG006N

5 suppliers24 claims1,440 services$6.36 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

8 suppliers38 claims9,616 services$0.03 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

6 suppliers12 claims1,080 services$0.10 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

4 suppliers23 claims1,290 services$0.75 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

17 suppliers70 claims70 services$25.11 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.

DEVIN SHERMAN MD

Internal Medicine

4323 CAROTHERS PKWY STE 605
FRANKLIN, TN 37067

Williamson County (615) 790-4159

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 Aaron Milstone's NPI number?

The NPI number for Aaron Milstone is 1134211550. It was assigned to this individual provider in the NPPES registry on September 30, 2006.

Where is Aaron Milstone located?

Aaron Milstone practices at 4323 Carothers Pkwy Ste 605, Franklin, TN 37067. The listed phone number is (615) 790-4159.

What is Aaron Milstone's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Aaron Milstone enrolled in Medicare?

Yes. Aaron Milstone 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 organizations bill Medicare for Aaron Milstone's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Milstone reassigns Medicare benefits to 2 organizations: Williamson Medical Group, LLC (Franklin, TN) and Maui Medical Group Inc (Wailuku, HI). Each 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 Aaron Milstone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Milstone accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Aaron Milstone 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 Aaron Milstone affiliated with any hospitals?

According to CMS data, Aaron Milstone is affiliated with Williamson Medical Center and Vanderbilt University Medical Center.

When was this NPI record last updated?

The NPPES record for Aaron Milstone was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.