Jeffrey Sanfield, M.D.
NPI 1336207653 · Endocrinology, Diabetes & Metabolism Physician · Ypsilanti, MI
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Sanfield, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Ypsilanti, MI (NPI 1336207653).
Provider details
- NPI number
- 1336207653
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 045032 (MI)
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
19 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
571 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 368 | $128 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 132 | $34 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 71 | $182 |
Typical Medicare-allowed amounts for these services range $34–$182 (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 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 458 | 125 |
| Levothyroxine Sodiumbrand: Synthroid | 129 | 34 |
| Thyroid,porkbrand: Armour Thyroid | 73 | 21 |
| Methimazole | 62 | 15 |
| Semaglutidebrand: Ozempic | 59 | — |
| Tirzepatidebrand: Mounjaro | 49 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 across 1 record (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
- 2006-12-06
- Last updated
- 2021-06-15
- Certified
- 2021-06-15
Frequently asked questions
- What is Jeffrey Sanfield's NPI number?
- Jeffrey Sanfield's National Provider Identifier (NPI) is 1336207653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Sanfield's specialty?
- Jeffrey Sanfield is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Sanfield located?
- Jeffrey Sanfield's practice location on file with NPPES is 5333 Mcauley Dr, Ypsilanti, MI 48197-1014.
- What is Jeffrey Sanfield's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Sanfield is (734) 434-4430.
- Does Jeffrey Sanfield accept Medicare?
- Jeffrey Sanfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Sanfield's NPI active?
- Yes — Jeffrey Sanfield's NPI (1336207653) is active in the NPPES registry as of the last update on 2021-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.