Debbie Marks, MD
NPI 1447231220 · Emergency Medicine Physician · Ukiah, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Debbie Marks, MD is a Emergency Medicine Physician provider in Ukiah, CA (NPI 1447231220).
Provider details
- NPI number
- 1447231220
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G58193 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Developmental Therapist222Q00000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,027 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 433 | $168 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 304 | $116 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 147 | $8 |
| Critical Care, First 30-74 Minutes99291 | 95 | $207 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 48 | $68 |
Typical Medicare-allowed amounts for these services range $8–$207 (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) | Beneficiaries |
|---|---|---|
| Cefdinir | 38 | 37 |
| Prednisone | 32 | 32 |
| Cephalexin | 21 | 21 |
| Doxycycline Monohydrate | 20 | 20 |
| Ondansetronbrand: Ondansetron Odt | 20 | 19 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 17 | 16 |
| Methylprednisolone | 15 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-09
- Last updated
- 2008-03-25
Frequently asked questions
- What is Debbie Marks's NPI number?
- Debbie Marks's National Provider Identifier (NPI) is 1447231220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Debbie Marks's specialty?
- Debbie Marks is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Debbie Marks located?
- Debbie Marks's practice location on file with NPPES is 275 Hospital Dr, Ukiah, CA 95482-4531.
- What is Debbie Marks's phone number?
- The practice phone number listed in the NPPES registry for Debbie Marks is (707) 462-7900.
- Does Debbie Marks accept Medicare?
- Debbie Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Debbie Marks's NPI active?
- Yes — Debbie Marks's NPI (1447231220) is active in the NPPES registry as of the last update on 2008-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.