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WILLIAM GREENE
NPI 1962961268
Internal Medicine in Billings, MT

Active since March 16, 2019PECOS EnrolledAccepts Medicare Assignment
801 N 29TH ST, BILLINGS, MT 59101(406) 238-5046 Get Directions Write a Review

NPPES record last updated: August 4, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 4, 2020, Mar 16, 2019 (2 updates tracked since 2019).

About William Greene NPPES

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

WILLIAM GREENE (NPI 1962961268) is an individual internal medicine provider in Billings, Montana, licensed in Montana (MED-RES-LIC-77257) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Monument Health Spearfish Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1962961268
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM GREENE
Location Address801 N 29TH STBillings, MT 59101-0905
Mailing AddressPo Box 35100Billings, MT 59107-5100
Phone(406) 238-5046
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 16, 2019
Last NPPES UpdateAugust 4, 20202 updates tracked since enumeration
NPPES CertifiedAugust 4, 2020
✔ NPI 1962961268 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MT · MED-RES-LIC-77257
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
801 N 29TH ST, Billings, MT 59101
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Medica, Oscar Insurance Company 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

William Greene 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 ID9335478080
PECOS Enrollment IDI20241004003096
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 3

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.
66 services29 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.
28 services27 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.
20 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Monument Health Spearfish Hospital

Acute Care Hospitals · Spearfish, SD
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430048
Location1440 N Main StSpearfish, SD 57783 · Lawrence County
Emergency services

Monument Health Rapid City Hospital

Acute Care Hospitals · Rapid City, SD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430077
Location353 Fairmont BlvdRapid City, SD 57701 · Pennington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59101 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
$130.52 typical visit price
range $56.81 – $172.26
Typical copayment $32.63 (range $14.20 – $43.06)
Most-billed visit code 99204
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
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.

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.

AMANDA NEWBERN LANGVE PT
Physical Therapist
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
KIRK KENFIELD PA
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
ELIZABETH V CONNOR MD
Obstetrics & Gynecology (Gynecologic Oncology)
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-5000
ALEXANDER RAMSEY PA-C
Physician Assistant
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
BILLINGS CLINIC
Occupational Therapist
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
JERALD A. BELL MD
Ophthalmology
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2501
MELANIE SCHMITZ PA-C
Physician Assistant (Surgical)
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500
AARON JAMES AUDET M.D.
Family Medicine
801 N 29TH ST
BILLINGS, MT 59101
Yellowstone County (406) 238-2500

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 William Greene's NPI number?

The NPI number for William Greene is 1962961268. It was assigned to this individual provider in the NPPES registry on March 16, 2019.

Where is William Greene located?

William Greene practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-5046.

What is William Greene's specialty?

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

Is William Greene enrolled in Medicare?

Yes. William Greene 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 William Greene accept?

Health plans from Avera Health Plans, Medica, Oscar Insurance Company and Sanford Health Plan list William Greene 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 William Greene affiliated with any hospitals?

According to CMS data, William Greene is affiliated with Monument Health Spearfish Hospital and Monument Health Rapid City Hospital.

When was this NPI record last updated?

The NPPES record for William Greene was last updated on August 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.