Haley Zimmerman, FNP-C
NPI 1770276057 · Registered Nurse · Pasadena, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Haley Zimmerman, FNP-C is a Registered Nurse provider in Pasadena, MD (NPI 1770276057).
Provider details
- NPI number
- 1770276057
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- R220155 (MD)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
330 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 | 207 | $132 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 47 | $134 |
| Hemoglobin A1c Level83036 | 27 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $95 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 14 | $15 |
| Administration of a Standardized, Evidence-Based Social Determinants of Health Risk Assessment Tool, 5-15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 137 | 49 |
| Lisinopril | 97 | 31 |
| Amlodipine Besylate | 93 | 32 |
| Levothyroxine Sodium | 61 | 23 |
| Gabapentin | 55 | 16 |
| Metoprolol Succinate | 50 | 14 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$140 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
Additional practice locations (1)
- 123 Sandy Beach DrPasadena, MD 21122-2453Phone: (141) 065-2545
Registry dates
- Enumerated
- 2023-06-01
- Last updated
- 2024-07-07
- Certified
- 2024-07-07
Frequently asked questions
- What is Haley Zimmerman's NPI number?
- Haley Zimmerman's National Provider Identifier (NPI) is 1770276057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Haley Zimmerman's specialty?
- Haley Zimmerman is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Haley Zimmerman located?
- Haley Zimmerman's practice location on file with NPPES is 8109 Ritchie Hwy Ste 100, Pasadena, MD 21122-6903.
- What is Haley Zimmerman's phone number?
- The practice phone number listed in the NPPES registry for Haley Zimmerman is (443) 270-8600.
- Does Haley Zimmerman accept Medicare?
- Haley Zimmerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Haley Zimmerman's NPI active?
- Yes — Haley Zimmerman's NPI (1770276057) is active in the NPPES registry as of the last update on 2024-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.