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ISAAC SHIELDS MD
NPI 1801215629
Anesthesiology in Concord, NH

Active since April 09, 2014PECOS Enrolled
250 PLEASANT ST, CONCORD, NH 03301(603) 789-9103(603) 227-7832 Get Directions Write a Review

NPPES record last updated: December 13, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 13, 2023, Nov 13, 2018 (2 updates tracked since 2018).

About Isaac Shields Md NPPES

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

ISAAC SHIELDS MD (NPI 1801215629) is an individual anesthesiology provider in Concord, New Hampshire, licensed in New Hampshire (18698) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1801215629
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameISAAC SHIELDSCredential: MD
Location Address250 PLEASANT STConcord, NH 03301-2598
Mailing Address250 Pleasant StConcord, NH 03301-7559 · (603) 789-9103 · Fax (603) 227-7832
Phone(603) 789-9103
Fax(603) 227-7832
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2014
Enumeration DateApril 9, 2014
Last NPPES UpdateDecember 13, 20232 updates tracked since enumeration
NPPES CertifiedDecember 13, 2023
✔ NPI 1801215629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NH · 18698
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
250 PLEASANT ST, Concord, NH 03301
Open in Google Maps ↗

Secondary Practice Locations 2

Location 180 Highland StLaconia, NH 03246-3235 · Phone (603) 789-9103 · Fax (603) 227-7832
Location 260 Commercial St Ste 201Concord, NH 03301-5096 · Phone (603) 789-9103 · Fax (603) 227-7832

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isaac Shields Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4880813799
PECOS Enrollment IDI20180817000883
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

4

Medicare enrollment records show Isaac Shields reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Concord Hospital, Inc.
Same address
Emergency Medicine
250 PLEASANT ST
Concord, NH 03301
  • Reassigned Medicare billing, New Hampshire enrollment
  • 636 clinicians in this Medicare group
NPI 1194778571 (603) 230-7429
Anesthesia Associates Professional Association
1.4 mi
Anesthesiology
1 PILLSBURY ST, SUITE 202
Concord, NH 03301
  • Reassigned Medicare billing, New Hampshire enrollment
  • 98 clinicians in this Medicare group
NPI 1881791150 (603) 224-4776
Catholic Medical Center
15 mi
Anesthesiology
100 MCGREGOR ST
Manchester, NH 03102
  • Reassigned Medicare billing, New Hampshire enrollment
  • 72 clinicians in this Medicare group
NPI 1003692112 (603) 663-6180
Anesthesia Associates Of New England PC
25 mi
Anesthesiology
1 PARKLAND DR
Derry, NH 03038
  • Reassigned Medicare billing, New Hampshire enrollment
  • 29 clinicians in this Medicare group
NPI 1861950651 (603) 432-1500

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 7

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.

Anesthesia for electroshock therapy 00104
Anesthesia for electroshock therapy involves administering medications to put you into a deep sleep. This ensures you won't feel pain or remember the procedure. It's essential for your comfort and safety during the therapy.
28 services17 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
23 services23 patients
Anesthesia for x-ray or radiation therapy 01922
Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.
19 services19 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
17 services17 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
17 services17 patients
Anesthesia for procedure to assess heart electrical activity 00537
Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Concord Hospital

Acute Care Hospitals · Concord, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300001
Location250 Pleasant StConcord, NH 03301 · Merrimack County
Birthing friendly

Concord Hospital- Laconia

Acute Care Hospitals · Laconia, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300005
Location80 Highland StLaconia, NH 03246 · Belknap County
Emergency services

Parkland Medical Center

Acute Care Hospitals · Derry, NH
5/5 CMS rating
OwnershipProprietary
CMS Certification Number300017
Location1 Parkland DriveDerry, NH 03038 · Rockingham County
Emergency services

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.

MR. RICHARD JON TRIPP RPH
Pharmacist
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 225-2711
DR. ANA V CASTELLANOS MENDEZ M.D.
Family Medicine (Geriatric Medicine)
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 228-7200
CHRISTOPHER R SABOL MD
Emergency Medicine
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (032) 277-7000
ARDELL CURRIER ARNP
Nurse Practitioner
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 227-7140
ZEA LAROCHELLE M.D.
Emergency Medicine
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 227-7000
DR. PETER ABDALLA DO
Hospitalist
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 227-7000
SAMANTHA SOHNEN MD
Anesthesiology
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (603) 789-9103
LINDSEY GORI DO
Emergency Medicine
250 PLEASANT ST
CONCORD, NH 03301
Merrimack County (032) 252-7116

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 Isaac Shields's NPI number?

The NPI number for Isaac Shields is 1801215629. It was assigned to this individual provider in the NPPES registry on April 9, 2014.

Where is Isaac Shields located?

Isaac Shields practices at 250 Pleasant St, Concord, NH 03301. The listed phone number is (603) 789-9103.

What is Isaac Shields's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Isaac Shields enrolled in Medicare?

Yes. Isaac Shields is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Isaac Shields's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Shields reassigns Medicare benefits to 4 organizations: Concord Hospital, Inc. (Concord, NH), Anesthesia Associates Professional Association (Concord, NH), Catholic Medical Center (Manchester, NH) and Anesthesia Associates Of New England PC (Derry, NH). 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 Isaac Shields's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Isaac Shields accept?

Health plans from Taro Health and WellSense Health Plan list Isaac Shields 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 Isaac Shields affiliated with any hospitals?

According to CMS data, Isaac Shields is affiliated with Concord Hospital, Concord Hospital- Laconia and Parkland Medical Center.

When was this NPI record last updated?

The NPPES record for Isaac Shields was last updated on December 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.