WARREN BRADLEY FIELDS M.D.
NPI 1225158694
Internal Medicine - Pulmonary Disease in Royal Oak, MI

Q: What is Warren Fields's NPI number?

The NPI number for Warren Fields is 1225158694. It was assigned to this individual provider in the NPPES registry on March 30, 2007.

Q: What is Warren Fields'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 Warren Fields was last updated on September 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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 March 30, 2007PECOS EnrolledAccepts Medicare Assignment

30701 WOODWARD AVE STE 200, ROYAL OAK, MI 48073(248) 548-2114(248) 548-2135 Get Directions Write a Review

NPPES record last updated: September 12, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 12, 2024, Nov 24, 2020, Oct 22, 2020 and 1 more (4 updates tracked since 2017).

On this page

About Warren Bradley Fields M.d. NPPES

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

WARREN BRADLEY FIELDS M.D. (NPI 1225158694) is an individual pulmonary disease provider in Royal Oak, Michigan, licensed in Michigan (4301076558) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Grosse Pointe, and is a graduate of Indiana University School Of Medicine (2000).

NPPES Registry Identity

NPI1225158694

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameWARREN BRADLEY FIELDSCredential: M.D.

Location Address30701 WOODWARD AVE STE 200Royal Oak, MI 48073-0990

Mailing Address30701 Woodward Ave Ste 200Royal Oak, MI 48073-0990 · (248) 548-2114 · Fax (248) 548-2135

Phone(248) 548-2114

Fax(248) 548-2135

Sole ProprietorYes

Medical School CMSIndiana University School Of MedicineGraduated 2000

Enumeration DateMarch 30, 2007

Last NPPES UpdateSeptember 12, 20244 updates tracked since enumeration

NPPES CertifiedSeptember 12, 2024

✔ NPI 1225158694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

Licenses✔ Licensed in MI · 4301076558✔ Licensed in IL · 036121035

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 Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 4301076558 (MI), 036121035 (IL)

30701 WOODWARD AVE STE 200, Royal Oak, MI 48073

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Other Identifiers 2

OtherP00707900IL · Medicare Railroad

Medicaid036121035IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and more.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

Warren Bradley Fields 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 ID6406929231

PECOS Enrollment IDI20101207000930

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 15

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.

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.

611 services155 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.

521 services303 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.

288 services164 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.

255 services250 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.

251 services249 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.

242 services240 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.

124 services98 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.

91 services91 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.

80 services69 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.

54 services33 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.

40 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.

39 services39 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

17 services17 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

13 services12 patients

Aspiration of fluid from chest cavity using imaging guidance 32555

This procedure, known as a thoracentesis, involves removing fluid from the space between the lungs and chest wall, called the pleural space. It's performed under imaging guidance to ensure precision. It can help diagnose conditions or relieve symptoms like shortness of breath.

12 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Beaumont Hospital - Grosse Pointe

Acute Care Hospitals · Grosse Pointe, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230089

Location468 Cadieux RdGrosse Pointe, MI 48230 · Wayne County

Emergency services Birthing friendly

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230130

Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County

Emergency services Birthing friendly

Beaumont Hospital - Farmington Hills

Acute Care Hospitals · Farmington Hills, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230151

Location28050 Grand River AvenueFarmington Hills, MI 48336 · Oakland County

Emergency services Birthing friendly

Beaumont Hospital, Troy

Acute Care Hospitals · Troy, MI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230269

Location44201 Dequindre RoadTroy, MI 48085 · Oakland County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48073 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

$134.28 typical visit price

range $58.04 – $177.36

Typical copayment $33.57 (range $14.51 – $44.34)

Most-billed visit code 99204

Established Patient

$102.35 typical visit price

range $18.32 – $143.49

Typical copayment $25.58 (range $4.58 – $35.87)

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 24

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

7 suppliers48 claims48 services$31.15 avg. paid by Medicare

Tracheal suction catheter, closed system, each A4605

DME-Other DME · category DE000N

1 supplier15 claims440 services$15.85 avg. paid by Medicare

Canister, disposable, used with suction pump, each A7000

DME-Other DME · category DE000N

1 supplier11 claims12 services$7.10 avg. paid by Medicare

Water, distilled, used with large volume nebulizer, 1000 ml A7018

DME-Other DME · category DE000N

1 supplier12 claims120 services$0.30 avg. paid by Medicare

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

DME-Other DME · category DE001N

6 suppliers35 claims35 services$64.47 avg. paid by Medicare

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

DME-Other DME · category DE001N

6 suppliers28 claims59 services$23.78 avg. paid by Medicare

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

DME-Other DME · category DE001N

7 suppliers21 claims80 services$14.28 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

8 suppliers32 claims32 services$43.87 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

8 suppliers42 claims42 services$14.50 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

4 suppliers15 claims16 services$8.18 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

9 suppliers60 claims330 services$1.49 avg. paid by Medicare

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

DME-Other DME · category DE001N

7 suppliers22 claims22 services$12.06 avg. paid by Medicare

Tracheostomy mask, each A7525

DME-Orthotic Devices · category DF000N

2 suppliers19 claims22 services$1.99 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

3 suppliers26 claims26 services$15.11 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

2 suppliers14 claims15 services$175.61 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

4 suppliers62 claims66 services$10.18 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

7 suppliers44 claims45 services$4.48 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

7 suppliers87 claims89 services$27.13 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

8 suppliers254 claims260 services$66.03 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

7 suppliers185 claims191 services$28.95 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

7 suppliers15 claims6,532 services$0.03 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

1 supplier47 claims47 services$25.93 avg. paid by Medicare

Tracheostomy speaking valve L8501

DME-Orthotic Devices · category DF000N

2 suppliers13 claims13 services$100.24 avg. paid by Medicare

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

DME-Other DME · category DE000N

9 suppliers16 claims16 services$22.89 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 14

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

KELLY L HOPE RN, NP

Nurse Practitioner (Acute Care)

30701 WOODWARD AVE STE 200
ROYAL OAK, MI 48073

Oakland County (248) 737-4030

GREENBERGER WU DUNN & FIELDS, PLLC

Internal Medicine (Pulmonary Disease)

30701 WOODWARD AVE STE 200
ROYAL OAK, MI 48073

Oakland County (248) 548-2114

OAKLAND MEDICAL SERVICES, P.C.

Otolaryngology

30701 WOODWARD AVE STE 200
ROYAL OAK, MI 48073

Oakland County (248) 737-4030

DR. MATTHEW LEE RONTAL M.D.

Otolaryngology

30701 WOODWARD AVE STE 200
ROYAL OAK, MI 48073

Oakland County (248) 737-4030

DR. MICHAEL RONTAL MD

Otolaryngology

30701 WOODWARD AVE STE 200
ROYAL OAK, MI 48073

Oakland County (248) 737-4030

DR. SHERRY ANN SMITH PH.D., LLP

Psychologist

30701 WOODWARD AVE STE 200
ROYAL OAK, MI 48073

Oakland County (248) 288-9333

MARY NICOLETTI LLMSW

Social Worker

30701 WOODWARD AVE STE 200
ROYAL OAK, MI 48073

Oakland County (248) 288-9333

KELLI MARIE WATERS LLMSW

Social Worker

30701 WOODWARD AVE STE 200
ROYAL OAK, MI 48073

Oakland County (586) 753-0433

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 Warren Fields's NPI number?

The NPI number for Warren Fields is 1225158694. It was assigned to this individual provider in the NPPES registry on March 30, 2007.

Where is Warren Fields located?

Warren Fields practices at 30701 Woodward Ave Ste 200, Royal Oak, MI 48073. The listed phone number is (248) 548-2114.

What is Warren Fields's specialty?

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

Is Warren Fields enrolled in Medicare?

Yes. Warren Fields 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 Warren Fields accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Warren Fields 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 Warren Fields affiliated with any hospitals?

According to CMS data, Warren Fields is affiliated with Beaumont Hospital - Grosse Pointe, Beaumont Hospital Royal Oak, Beaumont Hospital - Farmington Hills and Beaumont Hospital, Troy.

When was this NPI record last updated?

The NPPES record for Warren Fields was last updated on September 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.