DR. JANICE M FIELDS MD
NPI 1346223609
Internal Medicine - Gastroenterology in Farmington Hills, MI

Active since November 21, 2005PECOS EnrolledAccepts Medicare Assignment
87.28/100
CMS Quality Rating
30055 NORTHWESTERN HWY, STE 250, FARMINGTON HILLS, MI 48334(248) 985-5000(248) 985-5555 Get Directions Write a Review

NPPES record last updated: August 6, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Janice M Fields Md NPPES

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

DR. JANICE M FIELDS MD (NPI 1346223609) is an individual gastroenterology provider in Farmington Hills, Michigan, licensed in Michigan (4301066213) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with Ascension Providence Hospital, Southfield And Novi, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1346223609
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JANICE M FIELDSCredential: MD
Location Address30055 NORTHWESTERN HWY, STE 250Farmington Hills, MI 48334-3230
Mailing Address30055 Northwestern Hwy, Ste 250Farmington Hills, MI 48334-3230 · (248) 985-5000 · Fax (248) 985-5555
Fax(248) 985-5555
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateNovember 21, 2005
Last NPPES UpdateAugust 6, 2010
NPI 1346223609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MI · 4301066213
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
30055 NORTHWESTERN HWY, Farmington Hills, MI 48334

Other Names 1

Former Name (1)Janice M Spears

Other Identifiers 2

Medicare UPING78758
Medicare ID-Type Unspecified0M69450008

Accepted 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

Dr. Janice M Fields 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 ID2466521638
PECOS Enrollment IDI20100610000388
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 10

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 straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
79 services47 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.
67 services56 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
57 services57 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.
43 services36 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
42 services42 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.
42 services41 patients

Hospital Affiliations CMS Care Compare 2

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

Ascension Providence Hospital, Southfield And Novi

Acute Care Hospitals · Southfield, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230019
Location16001 W Nine Mile RdSouthfield, MI 48075 · Oakland 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48334 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.

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.

87.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost57.62

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.

Internal Medicine (Gastroenterology)
30055 NORTHWESTERN HWY, SUITE 250
FARMINGTON HILLS, MI 48334
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
30055 NORTHWESTERN HWY, SUITE 235
FARMINGTON HILLS, MI 48334
Internal Medicine
30055 NORTHWESTERN HWY, STE. 160
FARMINGTON HILLS, MI 48334
Audiologist-Hearing Aid Fitter
30055 NORTHWESTERN HWY, SUITE 101
FARMINGTON HILLS, MI 48334
Nurse Practitioner (Acute Care)
30055 NORTHWESTERN HWY, SUITE 220
FARMINGTON HILLS, MI 48334
Physician Assistant
30055 NORTHWESTERN HWY, SUITE #250
FARMINGTON HILLS, MI 48334
Anesthesiology
30055 NORTHWESTERN HWY, SUITE L60
FARMINGTON HILLS, MI 48334
Internal Medicine
30055 NORTHWESTERN HWY, SUITE 160
FARMINGTON HILLS, MI 48334

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 Janice Fields's NPI number?

The NPI number for Janice Fields is 1346223609. It was assigned to this individual provider in the NPPES registry on November 21, 2005. The provider is also known as Janice M Spears.

Where is Janice Fields located?

Janice Fields practices at 30055 Northwestern Hwy Ste 250, Farmington Hills, MI 48334. The listed phone number is (248) 985-5000.

What is Janice Fields's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Janice Fields enrolled in Medicare?

Yes. Janice 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 Janice Fields accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 3 other insurers list Janice 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 Janice Fields affiliated with any hospitals?

According to CMS data, Janice Fields is affiliated with Ascension Providence Hospital, Southfield And Novi and Beaumont Hospital Royal Oak.

When was this NPI record last updated?

The NPPES record for Janice Fields was last updated on August 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.