DR. MELISSA M VEGA MD
NPI 1659824415
Internal Medicine - Nephrology in West Springfield, MA

Active since July 28, 2016PECOS EnrolledAccepts Medicare Assignment
134 CAPITAL DR STE E, WEST SPRINGFIELD, MA 01089(413) 733-0010 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 11, 2020, Apr 6, 2020 (2 updates tracked since 2020).

About Dr. Melissa M Vega Md NPPES

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

DR. MELISSA M VEGA MD (NPI 1659824415) is an individual nephrology provider in West Springfield, Massachusetts, licensed in Massachusetts (1027427) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1659824415
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameDR. MELISSA M VEGACredential: MD
Location Address134 CAPITAL DR STE EWest Springfield, MA 01089-1320
Mailing AddressPo Box 366Ludlow, MA 01056-0366
Sole ProprietorNo
Medical School CMSPonce School Of MedicineGraduated 2019
Enumeration DateJuly 28, 2016
Last NPPES UpdateJune 22, 20262 updates tracked since enumeration
NPPES CertifiedJune 22, 2026
✔ NPI 1659824415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in MA · 1027427
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 35149R (PR)
134 CAPITAL DR STE E, West Springfield, MA 01089

Secondary Practice Locations 2

Location 12225 Ponce By Pass, Parra Medical Plaza Suite 407Ponce, PR 00717 · Phone (787) 840-8686 ext. 6123
Location 2388 Zona Ind Reparada 2Ponce, PR 00716-2347 · Phone (787) 840-2575

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Melissa M Vega 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 ID8527506807
PECOS Enrollment IDI20260615001466
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.

Medicare Billing Reassignment

Medicare enrollment records show Melissa Vega reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nephrology
2150 MAIN ST
Springfield, MA 01104
  • Reassigned Medicare billing, Massachusetts enrollment
  • 17 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Cooley Dickinson Hospital Inc,the

Acute Care Hospitals · Northampton, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220015
Location30 Locust StreetNorthampton, MA 01060 · Hampshire County
Emergency services Birthing friendly

Baystate Medical Center

Acute Care Hospitals · Springfield, MA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220077
Location759 Chestnut StreetSpringfield, MA 01199 · Hampden County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01089 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 9

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

Internal Medicine (Nephrology)
134 CAPITAL DR STE E
WEST SPRINGFIELD, MA 01089
Physician Assistant
134 CAPITAL DR STE E
WEST SPRINGFIELD, MA 01089
Internal Medicine (Nephrology)
134 CAPITAL DR STE E
WEST SPRINGFIELD, MA 01089
Internal Medicine (Nephrology)
134 CAPITAL DR STE E
WEST SPRINGFIELD, MA 01089
Physician Assistant
134 CAPITAL DR STE E
WEST SPRINGFIELD, MA 01089
Internal Medicine (Nephrology)
134 CAPITAL DR STE E
WEST SPRINGFIELD, MA 01089
Internal Medicine (Nephrology)
134 CAPITAL DR STE E
WEST SPRINGFIELD, MA 01089
Nurse Practitioner
134 CAPITAL DR STE E
WEST SPRINGFIELD, MA 01089

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 Melissa Vega's NPI number?

The NPI number for Melissa Vega is 1659824415. It was assigned to this individual provider in the NPPES registry on July 28, 2016.

Where is Melissa Vega located?

Melissa Vega practices at 134 Capital Dr Ste E, West Springfield, MA 01089. The listed phone number is (413) 733-0010.

What is Melissa Vega's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Melissa Vega enrolled in Medicare?

Yes. Melissa Vega 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.

Which organization bills Medicare for Melissa Vega's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Vega reassigns Medicare benefits to Kidney Care And Transplant Services Of New England, PC (Springfield, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Melissa Vega's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melissa Vega accept?

Health plans from Anthem Blue Cross and Blue Shield, Taro Health and WellSense Health Plan list Melissa Vega 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 Melissa Vega affiliated with any hospitals?

According to CMS data, Melissa Vega is affiliated with Cooley Dickinson Hospital Inc,the and Baystate Medical Center.

When was this NPI record last updated?

The NPPES record for Melissa Vega was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.