CALVIN A LEE M.D.
NPI 1174728737
Emergency Medicine in Winchester, MA

Q: What is Calvin Lee's NPI number?

The NPI number for Calvin Lee is 1174728737. It was assigned to this individual provider in the NPPES registry on June 15, 2007.

Q: What is Calvin Lee's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Calvin Lee was last updated on June 23, 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.

Active since June 15, 2007PECOS Enrolled

41 HIGHLAND AVE, WINCHESTER, MA 01890(508) 580-1670 Get Directions Write a Review

NPPES record last updated: June 23, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Calvin A Lee M.d. NPPES

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

CALVIN A LEE M.D. (NPI 1174728737) is an individual emergency medicine provider in Winchester, Massachusetts, licensed in Massachusetts (250806) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174728737

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameCALVIN A LEECredential: M.D.

Location Address41 HIGHLAND AVEWinchester, MA 01890-1446

Mailing Address41 Highland AveWinchester, MA 01890-1446 · (508) 580-1670

Phone(508) 580-1670

Sole ProprietorNo

Enumeration DateJune 15, 2007

Last NPPES UpdateJune 23, 2014

✔ NPI 1174728737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in MA · 250806

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedInternal MedicineTaxonomy 207R00000X · License L-232489 (MA)

41 HIGHLAND AVE, Winchester, MA 01890

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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)

Calvin A Lee M.d. 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

Medicare enrollment records show Calvin Lee reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Winchester Emergency Medical Associates PC

Same address

Emergency Medicine

41 HIGHLAND AVE
Winchester, MA 01890

Reassigned Medicare billing, Massachusetts enrollment
39 clinicians in this Medicare group

NPI 1831131473 (781) 756-7273

Winchester Physician Associates, Inc

1.1 mi

Internal Medicine

11 SHORE RD
Winchester, MA 01890

Reassigned Medicare billing, Massachusetts enrollment
221 clinicians in this Medicare group

NPI 1184606865 (781) 729-1810

Beth Israel Lahey Health Specialty Care, Inc.

4.7 mi

Urology

41 MALL RD LAHEY HOSPITAL & MEDICAL CENTER
Burlington, MA 01805

Reassigned Medicare billing, Massachusetts enrollment
477 clinicians in this Medicare group

NPI 1427161660 (978) 927-0714

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 3

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

263 services252 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

88 services84 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

67 services67 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01890 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.

MS. CHIRIN AL DALATI M.D.

Internal Medicine

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 729-9000

WINCHESTER PHYSICIAN ASSOCIATES

Internal Medicine

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 756-7273

WINCHESTER LABORATORY ASSOCIATES, INC.

Pathology (Anatomic Pathology & Clinical Pathology)

41 HIGHLAND AVE, WINCHESTER HOSPITAL
WINCHESTER, MA 01890

Middlesex County (781) 756-2319

AIMEE CALISTA KNORR MD

Pediatrics (Neonatal-Perinatal Medicine)

41 HIGHLAND AVE, WINCHESTER HOSPITAL
WINCHESTER, MA 01890

Middlesex County (781) 756-2240

DR. MOHAMED MAHMOUD MD

Internal Medicine

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 756-7095

JOHN E COPANOS M.D.

Internal Medicine

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 756-7095

DR. VIVIANA REYES PINZON MD

Internal Medicine (Pulmonary Disease)

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 756-2260

DR. ERIC EBERT MD

Emergency Medicine

41 HIGHLAND AVE
WINCHESTER, MA 01890

Middlesex County (781) 729-9000

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 Calvin Lee's NPI number?

The NPI number for Calvin Lee is 1174728737. It was assigned to this individual provider in the NPPES registry on June 15, 2007.

Where is Calvin Lee located?

Calvin Lee practices at 41 Highland Ave, Winchester, MA 01890. The listed phone number is (508) 580-1670.

What is Calvin Lee's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Calvin Lee enrolled in Medicare?

Yes. Calvin Lee is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Calvin Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Calvin Lee reassigns Medicare benefits to 3 organizations: Winchester Emergency Medical Associates PC (Winchester, MA), Winchester Physician Associates, Inc (Winchester, MA) and Beth Israel Lahey Health Specialty Care, Inc. (Burlington, 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 Calvin Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Calvin Lee accept?

Health plans from Taro Health list Calvin Lee 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 Calvin Lee was last updated on June 23, 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.