DR. O'NEIL J. GREEN M.D.
NPI 1902067911
Internal Medicine - Pulmonary Disease in Palmer, MA

Q: What is O'neil Green's NPI number?

The NPI number for O'neil Green is 1902067911. It was assigned to this individual provider in the NPPES registry on June 23, 2008.

Q: What is O'neil Green'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 O'neil Green was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 June 23, 2008PECOS EnrolledAccepts Medicare Assignment

40 WRIGHT ST, PALMER, MA 01069(413) 370-5400(413) 284-5559 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 8, 2026, Apr 15, 2020, Mar 17, 2020 and 2 more (5 updates tracked since 2017).

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About Dr. O'neil J. Green M.d. NPPES

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

DR. O'NEIL J. GREEN M.D. (NPI 1902067911) is an individual pulmonary disease provider in Palmer, Massachusetts, licensed in Connecticut (50493) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Baystate Franklin Medical Center, and maintains a secondary practice location in Torrington.

NPPES Registry Identity

NPI1902067911

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. O'NEIL J. GREENCredential: M.D.

Location Address40 WRIGHT STPalmer, MA 01069-1138

Mailing Address1290 Silas Deane HwyWethersfield, CT 06109-4337

Phone(413) 370-5400

Fax(413) 284-5559

Sole ProprietorNo

Medical School CMSOtherGraduated 2001

Enumeration DateJune 23, 2008

Last NPPES UpdateJanuary 8, 20265 updates tracked since enumeration

NPPES CertifiedJanuary 8, 2026

✔ NPI 1902067911 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 CT · 50493✔ Licensed in MA · 272947

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 272947 (MA), 207RC0200X (CT)

40 WRIGHT ST, Palmer, MA 01069

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Secondary Practice Location 1

Location 1780 Litchfield St Ste 3Torrington, CT 06790-6268 · Phone (860) 496-9669 · Fax (860) 496-1524

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. O'neil J. Green 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 ID5991967218

PECOS Enrollment IDI20120503000300, I20170927000060

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 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.

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.

330 services205 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.

268 services265 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.

267 services263 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.

264 services260 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.

113 services57 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.

78 services78 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.

55 services49 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.

47 services47 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

35 services35 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.

25 services25 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.

24 services17 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

18 services12 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.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Baystate Franklin Medical Center

Acute Care Hospitals · Greenfield, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220016

Location164 High StreetGreenfield, MA 01301 · Franklin County

Emergency services Birthing friendly

Baystate Wing Hospital

Acute Care Hospitals · Palmer, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220030

Location40 Wright StreetPalmer, MA 01069 · Hampden County

Emergency services

Baystate Noble Hospital

Acute Care Hospitals · Westfield, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220065

Location115 West Silver StreetWestfield, MA 01085 · Hampden County

Emergency services

Baystate Medical Center

Acute Care Hospitals · Springfield, MA

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220077

Location759 Chestnut StreetSpringfield, MA 01199 · Hampden County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01069 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

$134.47 typical visit price

range $58.86 – $177.36

Typical copayment $33.61 (range $14.71 – $44.34)

Most-billed visit code 99204

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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

12 suppliers60 claims60 services$32.91 avg. paid by Medicare

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

DME-Other DME · category DE000N

5 suppliers14 claims28 services$1.30 avg. paid by Medicare

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

DME-Other DME · category DE001N

8 suppliers41 claims41 services$78.30 avg. paid by Medicare

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

DME-Other DME · category DE001N

8 suppliers40 claims105 services$29.20 avg. paid by Medicare

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

DME-Other DME · category DE001N

9 suppliers16 claims88 services$14.93 avg. paid by Medicare

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

DME-Other DME · category DE001N

4 suppliers12 claims66 services$12.94 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

10 suppliers33 claims33 services$44.34 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

11 suppliers41 claims41 services$16.60 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

5 suppliers16 claims16 services$12.34 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

11 suppliers66 claims375 services$1.89 avg. paid by Medicare

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

DME-Other DME · category DE001N

11 suppliers33 claims33 services$11.09 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 suppliers202 claims203 services$14.29 avg. paid by Medicare

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

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$48.51 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 suppliers11 claims11 services$910.50 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

3 suppliers14 claims14 services$57.70 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

3 suppliers32 claims32 services$10.98 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

4 suppliers22 claims25 services$2.40 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

4 suppliers44 claims44 services$28.72 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

9 suppliers404 claims408 services$63.97 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

4 suppliers52 claims55 services$34.82 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

9 suppliers55 claims14,255 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

8 suppliers56 claims5,400 services$0.09 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

6 suppliers118 claims118 services$32.43 avg. paid by Medicare

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

DME-Other DME · category DE000N

16 suppliers110 claims110 services$24.12 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 20

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

LESLIE A DUBINSKY

Anesthesiology

40 WRIGHT ST
PALMER, MA 01069

Hampden County (413) 284-5276

DR. JILL LEVIN DO, MPH

Hospitalist

40 WRIGHT ST
PALMER, MA 01069

Hampden County (413) 283-8761

SACHIKO SOLT LICSW

Social Worker (Clinical)

40 WRIGHT ST, WING MEMORIAL HOSPITAL GRISWOLD CENTER
PALMER, MA 01069

Hampden County (413) 284-5285

DR. JOHN P REHEIS MD

Urology

40 WRIGHT ST
PALMER, MA 01069

Hampden County (413) 284-5400

OSCAR A. MARTINEZ D.O.

Obstetrics & Gynecology

40 WRIGHT ST
PALMER, MA 01069

Hampden County (413) 967-2040

DHANESH DOOKHRAN M.D.

Hospitalist

40 WRIGHT ST
PALMER, MA 01069

Hampden County (413) 284-8761

DR. SCOTT A SIEGE M.D.

Pediatrics

40 WRIGHT ST
PALMER, MA 01069

Hampden County (413) 967-2040

CAROL A COTE R.D.

Dietitian, Registered

40 WRIGHT ST
PALMER, MA 01069

Hampden County (413) 283-7651

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 O'neil Green's NPI number?

The NPI number for O'neil Green is 1902067911. It was assigned to this individual provider in the NPPES registry on June 23, 2008.

Where is O'neil Green located?

O'neil Green practices at 40 Wright St, Palmer, MA 01069. The listed phone number is (413) 370-5400.

What is O'neil Green's specialty?

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

Is O'neil Green enrolled in Medicare?

Yes. O'neil Green 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.

Is O'neil Green affiliated with any hospitals?

According to CMS data, O'neil Green is affiliated with Baystate Franklin Medical Center, Baystate Wing Hospital, Baystate Noble Hospital and Baystate Medical Center.

When was this NPI record last updated?

The NPPES record for O'neil Green was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.