Cynthia Pfeiff, PA-C
NPI 1821006917 · Physician Assistant · Oakland, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Pfeiff, PA-C is a Physician Assistant provider in Oakland, CA (NPI 1821006917).
Provider details
- NPI number
- 1821006917
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA16164 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
19 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) |
|---|---|---|
| Replacement of Knee Joint, Both Sides of Knee27447 | 19 | $199 |
Typical Medicare-allowed amounts for these services range $199–$199 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 36 | 33 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 34 | 31 |
| Meloxicam | 31 | 14 |
| Hydroxyzine Pamoate | 23 | 22 |
| Diclofenac Sodium | 18 | — |
| Ibuprofen | 13 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,517 across 19 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
- 2006-08-04
- Last updated
- 2009-08-07
Frequently asked questions
- What is Cynthia Pfeiff's NPI number?
- Cynthia Pfeiff's National Provider Identifier (NPI) is 1821006917, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Pfeiff's specialty?
- Cynthia Pfeiff is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Pfeiff located?
- Cynthia Pfeiff's practice location on file with NPPES is 80 Grand Avenue, Oakland, CA 94612.
- What is Cynthia Pfeiff's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Pfeiff is (510) 663-7700.
- Does Cynthia Pfeiff accept Medicare?
- Cynthia Pfeiff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Pfeiff's NPI active?
- Yes — Cynthia Pfeiff's NPI (1821006917) is active in the NPPES registry as of the last update on 2009-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.