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DR. PETER TEBET GREENSPAN MD
NPI 1295725885
Pediatrics in Waltham, MA

Active since October 25, 2005PECOS Enrolled
40 2ND AVE, MASS GENERAL WEST MEDICAL GROUP STE 400, WALTHAM, MA 02451(781) 487-4340(781) 487-4341 Get Directions Write a Review

NPPES record last updated: June 5, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Peter Tebet Greenspan Md NPPES

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

DR. PETER TEBET GREENSPAN MD (NPI 1295725885) is an individual pediatrics provider in Waltham, Massachusetts, licensed in Massachusetts (44159) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1295725885
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. PETER TEBET GREENSPANCredential: MD
Location Address40 2ND AVE, MASS GENERAL WEST MEDICAL GROUP STE 400Waltham, MA 02451-1137
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (781) 487-4340 · Fax (781) 487-4341
Phone(781) 487-4340
Fax(781) 487-4341
Sole ProprietorNo
Enumeration DateOctober 25, 2005
Last NPPES UpdateJune 5, 2014
✔ NPI 1295725885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 44159
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
40 2ND AVE, Waltham, MA 02451
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Other Identifiers 5

Medicare PINB51049MA
OtherB51049MA · Bcbs Ma
Medicaid6164595MA
Other044159MA · Tufts Health Plan
Medicare UPIND88150

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Peter Tebet Greenspan Md 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Peter Greenspan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Massachusetts General Physicians Organization Inc
10 mi
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287
The General Hospital Corporation
10 mi
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02451 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

NANCY GRACIN M.D.
Internal Medicine (Cardiovascular Disease)
40 2ND AVE, SUITE 520
WALTHAM, MA 02451
Middlesex County (781) 487-6000
MS. ELIZABETH O'KEEFE RN, CPNP
Registered Nurse (Pediatrics)
40 2ND AVE, NEW ENGLAND DIABETES & ENDOCRINOLOGY CTR (NEDEC), #170
WALTHAM, MA 02451
Middlesex County (781) 890-3610
DR. SUSAN R MANEA M.D.
Medical Genetics, Ph.D. Medical Genetics
40 2ND AVE
WALTHAM, MA 02451
Middlesex County (781) 466-9555
NICOLE MCELHINNEY DPT
Physical Therapist
40 2ND AVE, SUITE 360
WALTHAM, MA 02451
Middlesex County (781) 487-3800
JOHN D MEOLA, D.D.S., P.C.
Dentist
40 2ND AVE, SUITE 500
WALTHAM, MA 02451
Middlesex County (781) 890-4900
SUY-SINH TRUONG LAW P.T, LIC.AC.
Physical Therapist
40 2ND AVE
WALTHAM, MA 02451
Middlesex County (781) 487-3817
DR. BETH ANN MCCABE MD
Pediatrics
40 2ND AVE, SUITE 400
WALTHAM, MA 02451
Middlesex County (781) 522-9000
DR. ABDUL CADER ASMAL MD PHD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
40 2ND AVE, STE 400
WALTHAM, MA 02451
Middlesex County (781) 522-9000

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 Peter Greenspan's NPI number?

The NPI number for Peter Greenspan is 1295725885. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Peter Greenspan located?

Peter Greenspan practices at 40 2nd Ave Mass General West Medical Group Ste 400, Waltham, MA 02451. The listed phone number is (781) 487-4340.

What is Peter Greenspan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Peter Greenspan enrolled in Medicare?

Yes. Peter Greenspan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Peter Greenspan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Greenspan reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). Each 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 Peter Greenspan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Greenspan accept?

Health plans from Taro Health list Peter Greenspan 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.

When was this NPI record last updated?

The NPPES record for Peter Greenspan was last updated on June 5, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.