Rhonda Williams, M.D.
NPI 1295991750 · Psychiatry Physician · North Hills, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rhonda Williams, M.D. is a Psychiatry Physician provider in North Hills, CA (NPI 1295991750).
Provider details
- NPI number
- 1295991750
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A100069 (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
17 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
131 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 67 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 64 | $136 |
Typical Medicare-allowed amounts for these services range $72–$136 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bupropion Hclbrand: Bupropion Xl | 51 |
| Escitalopram Oxalate | 32 |
| Lamotrigine | 25 |
| Clonazepam | 23 |
| Zolpidem Tartrate | 22 |
| Lurasidone Hcl | 16 |
| Sertraline Hcl | 15 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 14 |
| Quetiapine Fumarate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-04
- Last updated
- 2015-11-24
Frequently asked questions
- What is Rhonda Williams's NPI number?
- Rhonda Williams's National Provider Identifier (NPI) is 1295991750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rhonda Williams's specialty?
- Rhonda Williams is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Rhonda Williams located?
- Rhonda Williams's practice location on file with NPPES is 16111 Plummer St # 116-A3, North Hills, CA 91343-2036.
- What is Rhonda Williams's phone number?
- The practice phone number listed in the NPPES registry for Rhonda Williams is (818) 891-7711.
- Does Rhonda Williams accept Medicare?
- Rhonda Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rhonda Williams's NPI active?
- Yes — Rhonda Williams's NPI (1295991750) is active in the NPPES registry as of the last update on 2015-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.