Laura Certain, MD, PHD
NPI 1114154945 · Infectious Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Laura Certain, MD, PHD is a Infectious Disease Physician provider in Boston, MA (NPI 1114154945).
Provider details
- NPI number
- 1114154945
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 254709 (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 tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
386 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 98 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 72 | $94 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 53 | $140 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 44 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 37 |
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 |
|---|---|---|
| Doxycycline Hyclate | 50 | 26 |
| Cefadroxil | 42 | 15 |
| Fluconazole | 41 | 12 |
| Amoxicillin | 34 | 14 |
| Cephalexin | 22 | — |
| Levofloxacin | 22 | 15 |
| Doxycycline Monohydrate | 20 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,327 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-19
- Last updated
- 2021-11-11
- Certified
- 2021-11-11
Frequently asked questions
- What is Laura Certain's NPI number?
- Laura Certain's National Provider Identifier (NPI) is 1114154945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Laura Certain's specialty?
- Laura Certain is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Laura Certain located?
- Laura Certain's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.
- What is Laura Certain's phone number?
- The practice phone number listed in the NPPES registry for Laura Certain is (617) 724-2862.
- Does Laura Certain accept Medicare?
- Laura Certain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Laura Certain's NPI active?
- Yes — Laura Certain's NPI (1114154945) is active in the NPPES registry as of the last update on 2021-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.