Sydney Ammann, CRNP
NPI 1477228880 · Family Nurse Practitioner · Frederick, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sydney Ammann, CRNP is a Family Nurse Practitioner provider in Frederick, MD (NPI 1477228880).
Provider details
- NPI number
- 1477228880
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- AC003854 (MD)
Specialties & taxonomies
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
4 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
468 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 | 100 | $91 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 94 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $70 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 60 | $9 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 56 | $3 |
| Urinalysis, Manual Test |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 113 | 53 |
| Atorvastatin Calcium | 89 | 35 |
| Levothyroxine Sodium | 71 | 22 |
| Gabapentin | 56 | 19 |
| Lisinopril | 54 | 19 |
| Amlodipine Besylate | 46 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$425 across 20 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
- 2021-08-09
- Last updated
- 2021-08-09
- Certified
- 2021-08-09
Frequently asked questions
- What is Sydney Ammann's NPI number?
- Sydney Ammann's National Provider Identifier (NPI) is 1477228880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Ammann's specialty?
- Sydney Ammann is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sydney Ammann located?
- Sydney Ammann's practice location on file with NPPES is 110 Baughmans Ln, Frederick, MD 21702-4059.
- What is Sydney Ammann's phone number?
- The practice phone number listed in the NPPES registry for Sydney Ammann is (240) 215-1138.
- Does Sydney Ammann accept Medicare?
- Sydney Ammann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sydney Ammann's NPI active?
- Yes — Sydney Ammann's NPI (1477228880) is active in the NPPES registry as of the last update on 2021-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.