Kenneth Wulff, MD
NPI 1124105085 · Child & Adolescent Psychiatry Physician · Petaluma, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Wulff, MD is a Child & Adolescent Psychiatry Physician provider in Petaluma, CA (NPI 1124105085).
Provider details
- NPI number
- 1124105085
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G32683 (CA)
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
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
37 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 | 37 | $154 |
Typical Medicare-allowed amounts for these services range $154–$154 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Risperidone | 92 |
| Sertraline Hcl | 75 |
| Lithium Carbonate | 71 |
| Olanzapine | 55 |
| Clonidine Hcl | 43 |
| Aripiprazole | 40 |
| Trazodone Hcl | 31 |
| Divalproex Sodium | 29 |
| Fluoxetine Hcl | 28 |
| Quetiapine Fumarate | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$79 across 3 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
Additional practice locations (4)
- 1597 Baker StCosta Mesa, CA 92626-3746Phone: (714) 435-7940
- 250 Joann StCosta Mesa, CA 92626-6455Phone: (949) 631-9045
- 537 W 8th StSan Pedro, CA 90731-3119Phone: (310) 834-1198
- 1691 Gramercy AveTorrance, CA 90501-3236Phone: (310) 320-0195
Registry dates
- Enumerated
- 2006-10-31
- Last updated
- 2024-01-18
- Certified
- 2024-01-18
Frequently asked questions
- What is Kenneth Wulff's NPI number?
- Kenneth Wulff's National Provider Identifier (NPI) is 1124105085, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Wulff's specialty?
- Kenneth Wulff is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Wulff located?
- Kenneth Wulff's practice location on file with NPPES is 1503 Spring Hill Rd, Petaluma, CA 94952-9305.
- What is Kenneth Wulff's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Wulff is (707) 559-3895.
- Does Kenneth Wulff accept Medicare?
- Kenneth Wulff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Wulff's NPI active?
- Yes — Kenneth Wulff's NPI (1124105085) is active in the NPPES registry as of the last update on 2024-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.