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DR. MICHAEL D PLAGER MD
NPI 1386635811
Internal Medicine - Nephrology in Greenfield, MA

Active since November 03, 2005PECOS EnrolledAccepts Medicare Assignment
115 WILDWOOD AVE, GREENFIELD, MA 01301(413) 773-5797(413) 773-9009 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2022, Jul 26, 2017 (2 updates tracked since 2017).

About Dr. Michael D Plager Md NPPES

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

DR. MICHAEL D PLAGER MD (NPI 1386635811) is an individual nephrology provider in Greenfield, Massachusetts, licensed in Massachusetts (154017) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Baystate Franklin Medical Center, and is a graduate of State University Of New York At Buffalo School Of Medicine (1991).

NPPES Registry Identity

NPI1386635811
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. MICHAEL D PLAGERCredential: MD
Location Address115 WILDWOOD AVEGreenfield, MA 01301-1215
Mailing AddressPo Box 366Ludlow, MA 01056-0366 · (413) 733-0010 · Fax (413) 930-2108
Phone(413) 773-5797
Fax(413) 773-9009
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1991
Enumeration DateNovember 3, 2005
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1386635811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Licenses✔ Licensed in MA · 154017✔ Licensed in NH · 10003
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.
115 WILDWOOD AVE, Greenfield, MA 01301
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families.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. Michael D Plager 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 ID3870586316
PECOS Enrollment IDI20060207000866, I20120113000571, I20240130000593
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 Michael Plager reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kidney Care And Transplant Services Of New England, PC
34 mi
Nephrology
2150 MAIN ST
Springfield, MA 01104
  • Reassigned Medicare billing, Massachusetts, New Hampshire and Vermont enrollments
  • 17 clinicians in this Medicare group
NPI 1598202558 (413) 733-0010

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

Areas of Expertise CMS Part B claims 9

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
305 services147 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
242 services36 patients
Home dialysis services per month (20 years or older) 90966
Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.
125 services19 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.
57 services50 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
51 services27 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
48 services40 patients

Hospital Affiliations CMS Care Compare 4

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

Baystate Franklin Medical Center

Acute Care Hospitals · Greenfield, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220016
Location164 High StreetGreenfield, MA 01301 · Franklin County
Emergency services Birthing friendly

Cheshire Medical Center

Acute Care Hospitals · Keene, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300019
Location580 Court StreetKeene, NH 03431 · Cheshire County
Emergency services Birthing friendly

Monadnock Community Hospital

Critical Access Hospitals · Peterborough, NH
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number301309
Location452 Old Street RoadPeterborough, NH 03458 · Hillsborough County
Emergency services Birthing friendly

Brattleboro Memorial Hospital

Acute Care Hospitals · Brattleboro, VT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number470011
Location17 Belmont AveBrattleboro, VT 05301 · Windham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01301 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 3

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

DESPINA E HOFFMAN D.O.
Internal Medicine (Nephrology)
115 WILDWOOD AVE
GREENFIELD, MA 01301
Franklin County (413) 773-5797
DR. JEFFREY W BLOMSTEDT MD
Internal Medicine (Nephrology)
115 WILDWOOD AVE, WESTERN NEW ENGLAND RENAL AND TRANS
GREENFIELD, MA 01301
Franklin County (413) 773-5797
BIO-MEDICAL APPLICATIONS OF MASSACHUSETTS, INC.
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
115 WILDWOOD AVE
GREENFIELD, MA 01301
Franklin County (413) 773-0001

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 Michael Plager's NPI number?

The NPI number for Michael Plager is 1386635811. It was assigned to this individual provider in the NPPES registry on November 3, 2005.

Where is Michael Plager located?

Michael Plager practices at 115 Wildwood Ave, Greenfield, MA 01301. The listed phone number is (413) 773-5797.

What is Michael Plager's specialty?

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

Is Michael Plager enrolled in Medicare?

Yes. Michael Plager 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 Michael Plager's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Plager 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 Michael Plager's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Plager accept?

Health plans from Ambetter from NH Healthy Families list Michael Plager 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 Michael Plager affiliated with any hospitals?

According to CMS data, Michael Plager is affiliated with Baystate Franklin Medical Center, Cheshire Medical Center, Monadnock Community Hospital and Brattleboro Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Michael Plager was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.