Andrew Griscom, MD
NPI 1538142328 · Emergency Medicine Physician · Pawtucket, RI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Griscom, MD is a Emergency Medicine Physician provider in Pawtucket, RI (NPI 1538142328).
Provider details
- NPI number
- 1538142328
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD09664 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
197 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 High Level of Medical Decision Making99285 | 125 | $179 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 42 | $124 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 30 | $8 |
Typical Medicare-allowed amounts for these services range $8–$179 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 47 | 46 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 41 | 38 |
| Ondansetronbrand: Ondansetron Odt | 32 | 30 |
| Prednisone | 18 | 17 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 15 | 14 |
| Azithromycin | 12 | 12 |
| Potassium Chloridebrand: Klor-Con M20 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-25
- Last updated
- 2023-05-15
- Certified
- 2023-05-15
Frequently asked questions
- What is Andrew Griscom's NPI number?
- Andrew Griscom's National Provider Identifier (NPI) is 1538142328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Griscom's specialty?
- Andrew Griscom is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Griscom located?
- Andrew Griscom's practice location on file with NPPES is 111 Brewster St, Pawtucket, RI 02860-4400.
- What is Andrew Griscom's phone number?
- The practice phone number listed in the NPPES registry for Andrew Griscom is (401) 729-2191.
- Does Andrew Griscom accept Medicare?
- Andrew Griscom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Griscom's NPI active?
- Yes — Andrew Griscom's NPI (1538142328) is active in the NPPES registry as of the last update on 2023-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.