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MARCUS SIDNEY SHAKER M.D.
NPI 1679686836
Allergy & Immunology - Allergy in Lebanon, NH

Active since August 15, 2006PECOS EnrolledAccepts Medicare Assignment
69.4/100
CMS Quality Rating
1 MEDICAL CENTER DR, LEBANON, NH 03756(603) 653-9885(603) 640-1228 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Marcus Sidney Shaker M.d. NPPES

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

MARCUS SIDNEY SHAKER M.D. (NPI 1679686836) is an individual allergy provider in Lebanon, New Hampshire, licensed in New Hampshire (12538) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of University Of Virginia School Of Medicine (1998).

NPPES Registry Identity

NPI1679686836
Entity TypeIndividualMale
Primary Taxonomy207KA0200X
Provider Legal NameMARCUS SIDNEY SHAKERCredential: M.D.
Location Address1 MEDICAL CENTER DRLebanon, NH 03756-1000
Mailing Address1 Medical Center DrLebanon, NH 03756-1000 · (603) 653-9885
Phone(603) 653-9885
Fax(603) 640-1228
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 1998
Enumeration DateAugust 15, 2006
Last NPPES UpdateJanuary 9, 2026
NPPES CertifiedJanuary 9, 2026
✔ NPI 1679686836 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in NH · 12538
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
1 MEDICAL CENTER DR, Lebanon, NH 03756
Open in Google Maps ↗

Other Identifiers 2

Medicaid30204685NH
Medicaid1010922VT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marcus Sidney Shaker M.d. 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 ID5597726174
PECOS Enrollment IDI20041026001107
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.

Hospital Affiliations CMS Care Compare

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

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300003
Location1 Medical Center DriveLebanon, NH 03756 · Grafton County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

69.4/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality55.64
Promoting Interoperability100
Improvement Activities40
Cost42.36

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.

MRS. JANICE M BRENNAN APRN
Nurse Practitioner (Family)
1 MEDICAL CENTER DR, DHMC DEPARTMENT OF OCCUPATION MEDICINE
LEBANON, NH 03756
Grafton County (603) 560-5000
MS. SHELLEY GRACE BENSON R.PH.
Pharmacist (Oncology)
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5417
ELIAS LOUKAS M.D.
Internal Medicine
1 MEDICAL CENTER DR, DHMC SECTION OF HOSPITAL MEDICINE
LEBANON, NH 03756
Grafton County (603) 650-8380
SARAH S SEO MD
Otolaryngology
1 MEDICAL CENTER DR, OTOLARYNGOLOGY
LEBANON, NH 03756
Grafton County (603) 650-8123
DR. SRINIVAS J. IVATURY MD
Colon & Rectal Surgery
1 MEDICAL CENTER DR, COLON & RECTAL SURGERY DEPARTMENT
LEBANON, NH 03756
Grafton County (603) 650-8113
TIMOTHY EARLEY D.O.
Student in an Organized Health Care Education/Training Program
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (201) 694-0663
HANNAH ELIZABETH FOOTE BENSIMHON M.D.
Internal Medicine (Cardiovascular Disease)
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5000
EMILE JOSEPH HASAN M.D.
Student in an Organized Health Care Education/Training Program
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5000

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 Marcus Shaker's NPI number?

The NPI number for Marcus Shaker is 1679686836. It was assigned to this individual provider in the NPPES registry on August 15, 2006.

Where is Marcus Shaker located?

Marcus Shaker practices at 1 Medical Center Dr, Lebanon, NH 03756. The listed phone number is (603) 653-9885.

What is Marcus Shaker's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Marcus Shaker enrolled in Medicare?

Yes. Marcus Shaker 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.

What insurance does Marcus Shaker accept?

Health plans from Ambetter from NH Healthy Families and Harvard Pilgrim Health Care list Marcus Shaker 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 Marcus Shaker affiliated with any hospitals?

According to CMS data, Marcus Shaker is affiliated with Mary Hitchcock Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Marcus Shaker was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.