Lydia Wytrzes, M.D.
NPI 1578634929 · Sleep Medicine (Psychiatry & Neurology) Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lydia Wytrzes, M.D. is a Sleep Medicine (Psychiatry & Neurology) Physician provider in Sacramento, CA (NPI 1578634929).
Provider details
- NPI number
- 1578634929
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G60213 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
444 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 114 | $96 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older)95811 | 110 | $123 |
| Home Sleep Test (hst) With Type III Portable Monitor, Unattended; Minimum of 4 Channels: 2 Respiratory Movement/Airflow, 1 Ecg/Heart Rate and 1 Oxygen SaturationG0399 | 89 | $46 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 65 | $118 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 45 | $175 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 50 | 13 |
| Modafinil | 22 | — |
| Zolpidem Tartrate | 18 | — |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 16 | — |
| Doxepin Hcl | 14 | — |
| Ropinirole Hcl | 14 | — |
| Clonazepam | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-09
- Last updated
- 2008-05-19
Frequently asked questions
- What is Lydia Wytrzes's NPI number?
- Lydia Wytrzes's National Provider Identifier (NPI) is 1578634929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lydia Wytrzes's specialty?
- Lydia Wytrzes is listed in the NPPES registry with a primary specialty of Sleep Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Lydia Wytrzes located?
- Lydia Wytrzes's practice location on file with NPPES is 87 Scripps Dr, Sacramento, CA 95825-6372.
- What is Lydia Wytrzes's phone number?
- The practice phone number listed in the NPPES registry for Lydia Wytrzes is (916) 564-3610.
- Does Lydia Wytrzes accept Medicare?
- Lydia Wytrzes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lydia Wytrzes's NPI active?
- Yes — Lydia Wytrzes's NPI (1578634929) is active in the NPPES registry as of the last update on 2008-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.