Jennifer Hallock, M.D.
NPI 1225355951 · Obstetrics & Gynecology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Hallock, M.D. is a Obstetrics & Gynecology Physician provider in Baltimore, MD (NPI 1225355951).
Provider details
- NPI number
- 1225355951
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 5255 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirabegronbrand: Myrbetriq | 94 | 46 |
| Estradiol | 83 | 58 |
| Cefadroxil | 47 | 35 |
| Trospium Chloride | 43 | 28 |
| Estradiolbrand: Estring | 42 | 19 |
| Mirabegronbrand: Mirabegron Er | 39 | 24 |
| Cephalexin | 38 | 22 |
| Nitrofurantoin Monohyd/M-Cryst |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 across 2 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
- 2010-04-20
- Last updated
- 2021-12-17
Frequently asked questions
- What is Jennifer Hallock's NPI number?
- Jennifer Hallock's National Provider Identifier (NPI) is 1225355951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Hallock's specialty?
- Jennifer Hallock is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Hallock located?
- Jennifer Hallock's practice location on file with NPPES is 4940 Eastern Ave, Baltimore, MD 21224-2735.
- What is Jennifer Hallock's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Hallock is (858) 663-1540.
- Does Jennifer Hallock accept Medicare?
- Jennifer Hallock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Hallock's NPI active?
- Yes — Jennifer Hallock's NPI (1225355951) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.