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MARY HELEN RIDDLE NP
NPI 1952814097
Nurse Practitioner - Family in Providence, RI

Active since November 12, 2017PECOS EnrolledAccepts Medicare Assignment
1 BLACKSTONE STREET, 2ND FLOOR, PROVIDENCE, RI 02903(401) 453-7520(401) 453-7529 Get Directions Write a Review

NPPES record last updated: March 27, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 27, 2025, Apr 8, 2022, Nov 12, 2017 (3 updates tracked since 2017).

About Mary Helen Riddle Np NPPES

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

MARY HELEN RIDDLE NP (NPI 1952814097) is an individual family provider in Providence, Rhode Island, licensed in Rhode Island (APRN02535) and active in the NPI registry since November 2017. She is enrolled in Medicare PECOS, is affiliated with Women & Infants Hospital Of Rhode Island, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1952814097
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY HELEN RIDDLECredential: NP
Location Address1 BLACKSTONE STREET, 2ND FLOORProvidence, RI 02903-2759
Mailing AddressPo Box 3677Nashua, NH 03061-3677 · (603) 577-7900 · Fax (603) 577-7972
Phone(401) 453-7520
Fax(401) 453-7529
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateNovember 12, 2017
Last NPPES UpdateMarch 27, 20253 updates tracked since enumeration
NPPES CertifiedMarch 25, 2025
✔ NPI 1952814097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in RI · APRN02535
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License APRN04457 (RI)
1 BLACKSTONE STREET, Providence, RI 02903
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.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

Mary Helen Riddle Np 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 ID8628331311
PECOS Enrollment IDI20180411000213, I20210714002933
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 2

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 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.
21 services15 patients
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.
16 services13 patients

Hospital Affiliations CMS Care Compare

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

Women & Infants Hospital Of Rhode Island

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410010
Location101 Dudley StreetProvidence, RI 02905 · Providence County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02903 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
$90.48 typical visit price
range $58.57 – $177.03
Typical copayment $22.62 (range $14.64 – $44.25)
Most-billed visit code 99203
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
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 14

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

DR. MOHAMMED ALI JALOUDI MD
Internal Medicine (Medical Oncology)
1 BLACKSTONE STREET, 2ND FLOOR
PROVIDENCE, RI 02903
Providence County (401) 453-7520
ELIZABETH RICCI NP
Nurse Practitioner (Women's Health)
1 BLACKSTONE STREET, WIH PROGRAM IN WOMEN'S ONCOLOGY
PROVIDENCE, RI 02903
Providence County (401) 453-7520
DR. LORRAINE TAFRA MD
Surgery
1 BLACKSTONE STREET, 2ND FLOOR
PROVIDENCE, RI 02903
Providence County (401) 453-7520
JULIA ROSE SALINARO MD
Obstetrics & Gynecology (Gynecologic Oncology)
1 BLACKSTONE STREET, 3RD FLOOR
PROVIDENCE, RI 02903
Providence County (401) 453-7052
STEPHANIE LYNN CHEVES NP
Nurse Practitioner (Gerontology)
1 BLACKSTONE STREET, 3 RD FLOOR
PROVIDENCE, RI 02903
Providence County (401) 453-7520
MS. MARCINA LYNN BEASTON-CASEY MS, CGC
Genetic Counselor, MS
1 BLACKSTONE STREET, FLOOR 2
PROVIDENCE, RI 02903
Providence County (401) 453-7520
MRS. MICHELLE LYNN BUFFINGTON NP
Nurse Practitioner (Adult Health)
1 BLACKSTONE STREET, 2ND FLOOR
PROVIDENCE, RI 02903
Providence County (401) 453-7520
KATHERINE G MILLER MD
Obstetrics & Gynecology (Gynecologic Oncology)
1 BLACKSTONE STREET
PROVIDENCE, RI 02903
Providence County (401) 453-7520

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 Mary Riddle's NPI number?

The NPI number for Mary Riddle is 1952814097. It was assigned to this individual provider in the NPPES registry on November 12, 2017.

Where is Mary Riddle located?

Mary Riddle practices at 1 Blackstone Street 2nd Floor, Providence, RI 02903. The listed phone number is (401) 453-7520.

What is Mary Riddle's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mary Riddle enrolled in Medicare?

Yes. Mary Riddle 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 Mary Riddle accept?

Health plans from Harvard Pilgrim Health Care list Mary Riddle 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 Mary Riddle affiliated with any hospitals?

According to CMS data, Mary Riddle is affiliated with Women & Infants Hospital Of Rhode Island.

When was this NPI record last updated?

The NPPES record for Mary Riddle was last updated on March 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.