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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RYAN RICHARD AHERN
NPI 1396438560
Internal Medicine in Springfield, MA

Active since June 01, 2023PECOS Enrolled
759 CHESTNUT ST STE C3350, SPRINGFIELD, MA 01107(413) 794-4320(413) 794-1767 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 1, 2026, Jun 1, 2023 (2 updates tracked since 2023).

About Ryan Richard Ahern NPPES

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

RYAN RICHARD AHERN (NPI 1396438560) is an individual internal medicine provider in Springfield, Massachusetts, licensed in Massachusetts (1028502) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396438560
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameRYAN RICHARD AHERN
Location Address759 CHESTNUT ST STE C3350Springfield, MA 01107-1619
Mailing Address280 Chestnut St Fl 2Springfield, MA 01199-1001 · (413) 794-5700
Phone(413) 794-4320
Fax(413) 794-1767
Sole ProprietorNo
Enumeration DateJune 1, 2023
Last NPPES UpdateSeptember 1, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1396438560 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 MA · 1028502
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 ListedHospitalistTaxonomy 208M00000X · License 1028502 (MA)
759 CHESTNUT ST STE C3350, Springfield, MA 01107
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ryan Richard Ahern is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01107 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

DR. SAI R. VADHULA MD, PHD
Internal Medicine
759 CHESTNUT ST STE C3350
SPRINGFIELD, MA 01107
Hampden County (413) 794-6297
KYLE EUGENE BARTELS AGACNP-BC
Nurse Practitioner (Acute Care)
759 CHESTNUT ST STE C3350
SPRINGFIELD, MA 01107
Hampden County (413) 794-6297
YANMING CHEN M.D.
Internal Medicine
759 CHESTNUT ST STE C3350
SPRINGFIELD, MA 01107
Hampden County (413) 794-6297
KASHIF MUKHTAR MD
Hospitalist
759 CHESTNUT ST STE C3350
SPRINGFIELD, MA 01107
Hampden County (413) 794-7629
MOLLY HANLON PA
Physician Assistant (Medical)
759 CHESTNUT ST STE C3350
SPRINGFIELD, MA 01107
Hampden County (413) 794-4320
WENDY SIQIAN MA MD
Hospitalist
759 CHESTNUT ST STE C3350
SPRINGFIELD, MA 01107
Hampden County (413) 794-4320
DR. ZAEEM SHAHZAD CHAUDARY DO
Internal Medicine
759 CHESTNUT ST STE C3350
SPRINGFIELD, MA 01107
Hampden County (413) 794-4320
DR. VIDYA B RAMASAMY M.D.,
Internal Medicine
759 CHESTNUT ST STE C3350
SPRINGFIELD, MA 01107
Hampden County (413) 794-6297

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 Ahern's NPI number?

The NPI number for Ryan Ahern is 1396438560. It was assigned to this individual provider in the NPPES registry on June 1, 2023.

Where is Ryan Ahern located?

Ryan Ahern practices at 759 Chestnut St Ste C3350, Springfield, MA 01107. The listed phone number is (413) 794-4320.

What is Ryan Ahern's specialty?

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

Is Ryan Ahern enrolled in Medicare?

Yes. Ryan Ahern is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ryan Ahern was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.