Isaac Shields, MD
NPI 1801215629 · Anesthesiology Physician · Concord, NH
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Shields, MD is a Anesthesiology Physician provider in Concord, NH (NPI 1801215629).
Provider details
- NPI number
- 1801215629
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 18698 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
132 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) |
|---|---|---|
| Anesthesia for Electroshock Therapy00104 | 28 | $51 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 23 | $80 |
| Anesthesia for X-Ray Or Radiation Therapy01922 | 19 | $93 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 17 | $87 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 17 | $163 |
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 14 | $235 |
Practice location
Mailing address
Additional practice locations (2)
- 60 Commercial St Ste 201Concord, NH 03301-5096Phone: (603) 789-9103Fax: (603) 227-7832
- 80 Highland StLaconia, NH 03246-3235Phone: (603) 789-9103Fax: (603) 227-7832
Registry dates
- Enumerated
- 2014-04-09
- Last updated
- 2023-12-13
- Certified
- 2023-12-13
Frequently asked questions
- What is Isaac Shields's NPI number?
- Isaac Shields's National Provider Identifier (NPI) is 1801215629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Shields's specialty?
- Isaac Shields is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Shields located?
- Isaac Shields's practice location on file with NPPES is 250 Pleasant St, Concord, NH 03301-2598.
- What is Isaac Shields's phone number?
- The practice phone number listed in the NPPES registry for Isaac Shields is (603) 789-9103.
- Does Isaac Shields accept Medicare?
- Isaac Shields is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Shields's NPI active?
- Yes — Isaac Shields's NPI (1801215629) is active in the NPPES registry as of the last update on 2023-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.