Jacob Alexander, MD
NPI 1306907084 · Gastroenterology Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Alexander, MD is a Gastroenterology Physician provider in Springfield, MA (NPI 1306907084).
Provider details
- NPI number
- 1306907084
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 257423 (MA)
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
19 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
533 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 148 | $127 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 103 | $243 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 96 | $95 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 48 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 44 | $132 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 92 | 34 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 88 | 87 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 60 | 58 |
| Adalimumabbrand: Humira(cf) Pen | 48 | — |
| Pantoprazole Sodium | 40 | 12 |
| Esomeprazole Magnesium | 22 | — |
| Entecavir |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2019-01-16
Frequently asked questions
- What is Jacob Alexander's NPI number?
- Jacob Alexander's National Provider Identifier (NPI) is 1306907084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Alexander's specialty?
- Jacob Alexander is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Alexander located?
- Jacob Alexander's practice location on file with NPPES is 3300 Main St, Springfield, MA 01107-1112.
- What is Jacob Alexander's phone number?
- The practice phone number listed in the NPPES registry for Jacob Alexander is (413) 794-7364.
- Does Jacob Alexander accept Medicare?
- Jacob Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Alexander's NPI active?
- Yes — Jacob Alexander's NPI (1306907084) is active in the NPPES registry as of the last update on 2019-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.