John Grieveson, MD
NPI 1326018813 · Family Medicine Physician · Lowell, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Grieveson, MD is a Family Medicine Physician provider in Lowell, MA (NPI 1326018813).
Provider details
- NPI number
- 1326018813
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 151494 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,373 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 622 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 221 | $139 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 215 | $3 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 139 | $141 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 65 | $77 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 60 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 148 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 610 | 136 |
| Amlodipine Besylate | 470 | 110 |
| Losartan Potassium | 386 | 81 |
| Omeprazole | 380 | 77 |
| Hydrochlorothiazide | 378 | 94 |
| Atorvastatin Calcium | 360 | 81 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,365 across 196 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
- 2006-01-25
- Last updated
- 2022-11-28
- Certified
- 2022-11-28
Frequently asked questions
- What is John Grieveson's NPI number?
- John Grieveson's National Provider Identifier (NPI) is 1326018813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Grieveson's specialty?
- John Grieveson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Grieveson located?
- John Grieveson's practice location on file with NPPES is 33 Bartlett St Ste 204, Lowell, MA 01852-1317.
- What is John Grieveson's phone number?
- The practice phone number listed in the NPPES registry for John Grieveson is (978) 453-0550.
- Does John Grieveson accept Medicare?
- John Grieveson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Grieveson's NPI active?
- Yes — John Grieveson's NPI (1326018813) is active in the NPPES registry as of the last update on 2022-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.