Mary Bergmann, CRNP
NPI 1104146281 · Acute Care Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Bergmann, CRNP is a Acute Care Nurse Practitioner provider in Baltimore, MD (NPI 1104146281).
Provider details
- NPI number
- 1104146281
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R185318 (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
16 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
185 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 102 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $85 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 34 | $8 |
| Administration of Influenza Virus VaccineG0008 | 11 | $33 |
Typical Medicare-allowed amounts for these services range $8–$119 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 28 | 14 |
| Rosuvastatin Calcium | 24 | 11 |
| Amlodipine Besylate | 23 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 19 | 13 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 16 | 16 |
| Atorvastatin Calcium | 15 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-11
- Last updated
- 2021-09-07
- Certified
- 2021-09-07
Frequently asked questions
- What is Mary Bergmann's NPI number?
- Mary Bergmann's National Provider Identifier (NPI) is 1104146281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Bergmann's specialty?
- Mary Bergmann is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Bergmann located?
- Mary Bergmann's practice location on file with NPPES is The Johns Hopkins Hospital 600 N Wolfe St, Baltimore, MD 21287-0001.
- What is Mary Bergmann's phone number?
- The practice phone number listed in the NPPES registry for Mary Bergmann is (301) 652-5739.
- Does Mary Bergmann accept Medicare?
- Mary Bergmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Bergmann's NPI active?
- Yes — Mary Bergmann's NPI (1104146281) is active in the NPPES registry as of the last update on 2021-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.