Holly Holter, PA-C
NPI 1922389634 · Physician Assistant · Baltimore, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Holter, PA-C is a Physician Assistant provider in Baltimore, MD (NPI 1922389634).
Provider details
- NPI number
- 1922389634
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- C04636 (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 tenure28% of score
14 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
198 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 | 67 | $162 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 40 | $6 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 27 | $66 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 25 | $112 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 21 | $65 |
| Critical Care, First 30-74 Minutes99291 | 18 | $195 |
Typical Medicare-allowed amounts for these services range $6–$195 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-09-08
- Last updated
- 2013-11-01
Frequently asked questions
- What is Holly Holter's NPI number?
- Holly Holter's National Provider Identifier (NPI) is 1922389634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Holter's specialty?
- Holly Holter is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Holly Holter located?
- Holly Holter's practice location on file with NPPES is 9000 Franklin Square Dr, Baltimore, MD 21237-3901.
- What is Holly Holter's phone number?
- The practice phone number listed in the NPPES registry for Holly Holter is (443) 777-2303.
- Does Holly Holter accept Medicare?
- Holly Holter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Holter's NPI active?
- Yes — Holly Holter's NPI (1922389634) is active in the NPPES registry as of the last update on 2013-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.