Ann Black, MD
NPI 1750329801 · Family Medicine Physician · Castroville, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Black, MD is a Family Medicine Physician provider in Castroville, TX (NPI 1750329801).
Provider details
- NPI number
- 1750329801
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G9322 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
560 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 | 136 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 74 | $87 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 62 | $16 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 58 | $14 |
| Automated Urinalysis Test81003 | 48 | $2 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 37 | $9 |
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 |
|---|---|---|
| Azithromycin | 50 | 45 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 38 | 36 |
| Amoxicillin | 33 | 32 |
| Methylprednisolone | 33 | 32 |
| Ciprofloxacin Hcl | 16 | 15 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 15 | 15 |
| Levofloxacin | 14 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (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
- 2006-06-02
- Last updated
- 2018-04-09
Frequently asked questions
- What is Ann Black's NPI number?
- Ann Black's National Provider Identifier (NPI) is 1750329801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Black's specialty?
- Ann Black is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Black located?
- Ann Black's practice location on file with NPPES is 1501 Houston Street, Castroville, TX 78009.
- What is Ann Black's phone number?
- The practice phone number listed in the NPPES registry for Ann Black is (830) 538-3550.
- Does Ann Black accept Medicare?
- Ann Black is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Black's NPI active?
- Yes — Ann Black's NPI (1750329801) is active in the NPPES registry as of the last update on 2018-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.