Deborah Guziatek-Karwan, CNP
NPI 1811937360 · Nurse Practitioner · Detroit, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deborah Guziatek-Karwan, CNP is a Nurse Practitioner provider in Detroit, MI (NPI 1811937360).
Provider details
- NPI number
- 1811937360
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704144784 (MI)
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
20 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
61 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 | 61 | $78 |
Typical Medicare-allowed amounts for these services range $78–$78 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 123 | 39 |
| Exemestane | 48 | — |
| Palbociclibbrand: Ibrance | 40 | — |
| Gabapentin | 36 | — |
| Alendronate Sodium | 34 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 31 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$604 across 7 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
- 2006-06-06
- Last updated
- 2016-10-06
Frequently asked questions
- What is Deborah Guziatek-Karwan's NPI number?
- Deborah Guziatek-Karwan's National Provider Identifier (NPI) is 1811937360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Guziatek-Karwan's specialty?
- Deborah Guziatek-Karwan is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Deborah Guziatek-Karwan located?
- Deborah Guziatek-Karwan's practice location on file with NPPES is 4100 John R, Detroit, MI 48201-2013.
- What is Deborah Guziatek-Karwan's phone number?
- The practice phone number listed in the NPPES registry for Deborah Guziatek-Karwan is (800) 527-6266.
- Does Deborah Guziatek-Karwan accept Medicare?
- Deborah Guziatek-Karwan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deborah Guziatek-Karwan's NPI active?
- Yes — Deborah Guziatek-Karwan's NPI (1811937360) is active in the NPPES registry as of the last update on 2016-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.