What is Madeleine Granstein's NPI number?

Madeleine Granstein's National Provider Identifier (NPI) is 1134707714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Madeleine Granstein's specialty?

Madeleine Granstein is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Madeleine Granstein located?

Madeleine Granstein's practice location on file with NPPES is 1 General St, Lawrence, MA 01841-2961.

What is Madeleine Granstein's phone number?

The practice phone number listed in the NPPES registry for Madeleine Granstein is (978) 683-4000.

Does Madeleine Granstein accept Medicare?

Madeleine Granstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Madeleine Granstein's NPI active?

Yes — Madeleine Granstein's NPI (1134707714) is active in the NPPES registry as of the last update on 2024-08-08.

IndividualActiveAccepts Medicare

Madeleine Granstein, MD

NPI 1134707714 · Emergency Medicine Physician · Lawrence, MA

Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Madeleine Granstein, MD is a Emergency Medicine Physician provider in Lawrence, MA (NPI 1134707714).

Provider details

NPI number: 1134707714
Entity type: Individual
Primary specialty: Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Emergency Medicine PhysicianPrimary207P00000XLicense 1019033 (MA)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Basic profile(45/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
5 yrs in NPPES registry
Profile completeness28% of score
83% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
131 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Emergency Department Visit With Moderate Level of Medical Decision Making99284	59	$118
Emergency Department Visit With Low Level of Medical Decision Making99283	37	$70
Emergency Department Visit With High Level of Medical Decision Making99285	35	$171

Typical Medicare-allowed amounts for these services range $70–$171 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 4 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass	15	15
Azithromycin	14	14
Cephalexin	13	12
Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim	11	11

Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.

Practice location

1 General St

Lawrence, MA 01841-2961

Phone: (978) 683-4000

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Mailing address