RYAN DIN MD
NPI 1679139133
Internal Medicine - Allergy & Immunology in Boston, MA

Active since May 10, 2019PECOS EnrolledAccepts Medicare Assignment
75 KNEELAND ST FL 1, BOSTON, MA 02111(617) 804-6767(877) 726-8492 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 6, 2026, Jul 23, 2024, May 10, 2019 (3 updates tracked since 2019).

About Ryan Din Md NPPES

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

RYAN DIN MD (NPI 1679139133) is an individual allergy & immunology provider in Boston, Massachusetts, licensed in Massachusetts (1020183) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Hospital - Needham, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1679139133
Entity TypeIndividualMale
Primary Taxonomy207RA0201X
Provider Legal NameRYAN DINCredential: MD
Location Address75 KNEELAND ST FL 1Boston, MA 02111-1901
Mailing Address550 1st AveNew York, NY 10016-6402
Fax(877) 726-8492
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2024
Enumeration DateMay 10, 2019
Last NPPES UpdateFebruary 6, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2026
NPI 1679139133 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0201X
License Licensed in MA · 1020183
Definition

An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

Also ListedInternal MedicineTaxonomy 207R00000X · License 1020183 (MA)
Also ListedHospitalistTaxonomy 208M00000X · License 1020183 (MA)
75 KNEELAND ST FL 1, Boston, MA 02111

Secondary Practice Locations 2

Location 155 Fruit StBoston, MA 02114-2621 · Phone (617) 726-9700
Location 2330 Brookline Ave, Deaconess 311Boston, MA 02215-5400 · Phone (617) 667-9600

Other Identifiers 1

Other13-3971298Tisch Hospital

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

Ryan Din 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 ID2466999644
PECOS Enrollment IDI20240806001192
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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
16 services16 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.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220083
Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County
Emergency services

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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 3

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

Internal Medicine (Gastroenterology)
75 KNEELAND ST FL 1
BOSTON, MA 02111
Allergy & Immunology
75 KNEELAND ST FL 1
BOSTON, MA 02111
Urology
75 KNEELAND ST FL 1
BOSTON, MA 02111

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 Ryan Din's NPI number?

The NPI number for Ryan Din is 1679139133. It was assigned to this individual provider in the NPPES registry on May 10, 2019.

Where is Ryan Din located?

Ryan Din practices at 75 Kneeland St Fl 1, Boston, MA 02111. The listed phone number is (617) 804-6767.

What is Ryan Din's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is Ryan Din enrolled in Medicare?

Yes. Ryan Din 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 Ryan Din accept?

Health plans from Anthem Blue Cross and Blue Shield list Ryan Din 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 Ryan Din affiliated with any hospitals?

According to CMS data, Ryan Din is affiliated with Beth Israel Deaconess Hospital - Needham and Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Ryan Din was last updated on February 6, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.