Susan Sleep, MD
NPI 1750458816 · Internal Medicine Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Sleep, MD is a Internal Medicine Physician provider in Los Alamitos, CA (NPI 1750458816).
Provider details
- NPI number
- 1750458816
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G066731 (CA)
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
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
6,983 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) |
|---|---|---|
| Superficial And/Or Low Voltage Radiation Treatment Delivery77401 | 1,752 | $49 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 1 Treatment Area77280 | 1,152 | $311 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 520 | $128 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 418 | $9 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 388 | $201 |
| Destruction of Precancer Skin Growth, 15 Or More Growths17004 | 297 | $174 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 253 | 63 |
| Rosuvastatin Calcium | 250 | 81 |
| Escitalopram Oxalate | 160 | 47 |
| Atorvastatin Calcium | 152 | 48 |
| Gabapentin | 90 | 25 |
| Amlodipine Besylate | 83 | 27 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$157 across 6 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
- 2006-11-30
- Last updated
- 2020-11-16
- Certified
- 2020-11-16
Frequently asked questions
- What is Susan Sleep's NPI number?
- Susan Sleep's National Provider Identifier (NPI) is 1750458816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Sleep's specialty?
- Susan Sleep is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Sleep located?
- Susan Sleep's practice location on file with NPPES is 3742 Katella Ave, Los Alamitos, CA 90720-2445.
- What is Susan Sleep's phone number?
- The practice phone number listed in the NPPES registry for Susan Sleep is (562) 936-0292.
- Does Susan Sleep accept Medicare?
- Susan Sleep is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Sleep's NPI active?
- Yes — Susan Sleep's NPI (1750458816) is active in the NPPES registry as of the last update on 2020-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.