Assem Houssein, M.D.
NPI 1700865722 · Endocrinology, Diabetes & Metabolism Physician · Lancaster, OH
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Assem Houssein, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Lancaster, OH (NPI 1700865722).
Provider details
- NPI number
- 1700865722
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35.066193 (OH)
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
1,154 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 | 664 | $122 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 206 | $33 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 55 | $87 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 47 | $9 |
| Hemoglobin A1c Level83036 | 37 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 23 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 985 | 245 |
| Metformin Hcl | 480 | 140 |
| Semaglutidebrand: Ozempic | 354 | 90 |
| Insulin Aspartbrand: Novolog Flexpen | 336 | 109 |
| Insulin Degludecbrand: Tresiba Flextouch U-100 | 335 | 107 |
| Empagliflozinbrand: Jardiance | 322 | 88 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$704 across 48 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
- 2006-01-10
- Last updated
- 2013-08-15
Frequently asked questions
- What is Assem Houssein's NPI number?
- Assem Houssein's National Provider Identifier (NPI) is 1700865722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Assem Houssein's specialty?
- Assem Houssein is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Assem Houssein located?
- Assem Houssein's practice location on file with NPPES is 2405 N Columbus St, Lancaster, OH 43130-8185.
- What is Assem Houssein's phone number?
- The practice phone number listed in the NPPES registry for Assem Houssein is (740) 689-6710.
- Does Assem Houssein accept Medicare?
- Assem Houssein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Assem Houssein's NPI active?
- Yes — Assem Houssein's NPI (1700865722) is active in the NPPES registry as of the last update on 2013-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.