NPI registry status
Active
2026 NPPES data Addiction (Substance Use Disorder) Registered Nurse NPI 1174163034 R.N.
Verify on CMS → Harriett Cain, R.N.
Addiction (Substance Use Disorder) Registered Nurse in Chicago, Illinois.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 2,865 in Addiction (Substance Use Disorder) Registered Nurse, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
What the federal data shows
Harriett Cain, R.N. is an Addiction (Substance Use Disorder) Registered Nurse in Chicago, Illinois, listed in the federal CMS National Provider Identifier registry.
- #176
- Addiction (Substance Use Disorder) Registered Nurse rank among Illinois specialties
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about Harriett Cain, R.N.
Bare NPI registry listing — limited federal enrichment beyond basic enumeration. Verify all credentials with official sources.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1174163034), first enumerated 01/08/2020.
Source: CMS NPPES
- Not in federal data
Medicare Part D participation
No 2023 Medicare Part D prescribing volume appears in the CMS public file for this NPI (may reflect specialty, new enrollment, or non-prescribing role).
Source: CMS Part D Prescriber PUF
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
Compare Cain with other Addiction (Substance Use Disorder) Registered Nurse providers
Same primary specialty, same federal CMS NPPES roster.
Also enrolled in Illinois
- Brenda Bertrand, RN St Charles, IL
- Estelisa Bevely, RN East Saint Louis, IL
- Adriana Beverly, RN Rock Island, IL
- Clydie Blackwell, RN East Saint Louis, IL
- Heather Borgardt Rockford, IL
- Dorothy Bourgeois Des Plaines, IL
Other specialties in Chicago: Student in an Organized Health Care Education/Training Program (5,297) · Clinical Social Worker (4,054) · Internal Medicine Physician (3,291) · Physical Therapist (2,616)
CMS NPPES provider registry desk
NPI 1174163034 · Addiction (Substance Use Disorder) Registered Nurse
NPI-10 · ENUM-RECENT · TAX-NARROW · RX-NONE · BOOK-THIN · PHOTO-ENUM
- NPI-10 1174163034
- ENUM-RECENT 2020
- TAX-NARROW 2,865
- RX-NONE No Part D
- BOOK-THIN 71 in Illinois
- PHOTO-ENUM Christen Cathy · 2020
What does the federal data show about Harriett Cain, R.N.?
Quality data not reportedPrimary specialty
Addiction (Substance Use Disorder) Registered Nurse
Specialty distribution in Illinois
How Addiction (Substance Use Disorder) Registered Nurse compares to other specialties among Illinois providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Addiction (Substance Use Disorder) Registered Nurse. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1174163034 |
|---|---|
| Specialty | Addiction (Substance Use Disorder) Registered Nurse |
| Credentials | R.N. |
| Gender | Female |
| NPI Issued | 01/08/2020 |
More Addiction (Substance Use Disorder) Registered Nurse in IL →
All providers in Illinois →
Compare specialties →
Addiction (Substance Use Disorder) Registered Nurse Overview
How Harriett Cain, R.N. fits within the Addiction (Substance Use Disorder) Registered Nurse landscape nationally.
2,865
Addiction (Substance Use Disorder) Registered Nurse Providers in US
52
States with Addiction (Substance Use Disorder) Registered Nurse
766
Avg Claims per Provider
Nationwide Addiction (Substance Use Disorder) Registered Nurse peers with similar MIPS or enrollment year
Two federal-record peer sets for Cain, both outside Illinois so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2020)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Addiction (Substance Use Disorder) Registered Nurse Providers in Illinois
Other clinicians with the same primary specialty enrolled in Illinois, drawn from the same CMS NPPES roster as Cain.
One of 71 Addiction (Substance Use Disorder) Registered Nurse providers enrolled in Illinois, 11 are shown on this page.
Frequently Asked Questions
What is Harriett Cain, R.N.'s specialty? ▼
Harriett Cain, R.N. specializes in Addiction (Substance Use Disorder) Registered Nurse and practices in Chicago, Illinois. Credentials: R.N..
Where is Harriett Cain, R.N. located? ▼
Harriett Cain, R.N. is located at 140 N ASHLAND AVE, Chicago, IL, 60607. Phone: (312) 633-4977.
What is Harriett Cain, R.N.'s NPI number? ▼
Harriett Cain, R.N.'s National Provider Identifier (NPI) is 1174163034, issued on 01/08/2020.
How many Addiction (Substance Use Disorder) Registered Nurse providers are there in the US? ▼
There are 2,865 Addiction (Substance Use Disorder) Registered Nurse providers across 52 states in the US. The average Addiction (Substance Use Disorder) Registered Nurse provider writes 766 Medicare Part D claims per year.
Does Harriett Cain, R.N. accept Medicare? ▼
Harriett Cain, R.N. appears in CMS Medicare data. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Harriett Cain, R.N.'s credentials? ▼
Harriett Cain, R.N.'s NPI is 1174163034 with credentials R.N.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2026.