Raymond Grenfell, Jr., M.D.
NPI 1851309165 · Endocrinology, Diabetes & Metabolism Physician · Jackson, MS
Raymond Grenfell, Jr., M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Jackson, MS (NPI 1851309165).
Provider details
- NPI number
- 1851309165
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 07011 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodiumbrand: Synthroid | 61 | 16 |
| Levothyroxine Sodium | 56 | 17 |
| Atorvastatin Calcium | 39 | 11 |
| Dapagliflozin Propanediolbrand: Farxiga | 32 | — |
| Glimepiride | 25 | — |
| Empagliflozinbrand: Jardiance | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$494 across 27 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
- 2006-08-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Raymond Grenfell, Jr.'s NPI number?
- Raymond Grenfell, Jr.'s National Provider Identifier (NPI) is 1851309165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Raymond Grenfell, Jr.'s specialty?
- Raymond Grenfell, Jr. is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Raymond Grenfell, Jr. located?
- Raymond Grenfell, Jr.'s practice location on file with NPPES is 1151 N State St, Jackson, MS 39202-2407.
- What is Raymond Grenfell, Jr.'s phone number?
- The practice phone number listed in the NPPES registry for Raymond Grenfell, Jr. is (601) 948-5158.
- Is Raymond Grenfell, Jr.'s NPI active?
- Yes — Raymond Grenfell, Jr.'s NPI (1851309165) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.