Anna Halberstadt, NP
NPI 1821576059 · Family Nurse Practitioner · Michigan City, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Halberstadt, NP is a Family Nurse Practitioner provider in Michigan City, IN (NPI 1821576059).
Provider details
- NPI number
- 1821576059
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 71008280A (IN)
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
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
365 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 131 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 93 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $71 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 57 | $102 |
| Administration of Pneumococcal VaccineG0009 | 13 | $30 |
Typical Medicare-allowed amounts for these services range $9–$102 (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 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 238 | 89 |
| Levothyroxine Sodium | 142 | 48 |
| Amlodipine Besylate | 139 | 46 |
| Lisinopril | 113 | 46 |
| Losartan Potassium | 103 | 37 |
| Omeprazole | 85 | 26 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$217 across 13 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
Additional practice locations (1)
- 900 I StLa Porte, IN 46350-5533Phone: (219) 324-1700Fax: (219) 324-1602
Registry dates
- Enumerated
- 2018-07-31
- Last updated
- 2024-06-25
- Certified
- 2024-06-25
Frequently asked questions
- What is Anna Halberstadt's NPI number?
- Anna Halberstadt's National Provider Identifier (NPI) is 1821576059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Halberstadt's specialty?
- Anna Halberstadt is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Anna Halberstadt located?
- Anna Halberstadt's practice location on file with NPPES is 4111 Franklin St, Michigan City, IN 46360-7803.
- What is Anna Halberstadt's phone number?
- The practice phone number listed in the NPPES registry for Anna Halberstadt is (219) 873-2919.
- Does Anna Halberstadt accept Medicare?
- Anna Halberstadt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Halberstadt's NPI active?
- Yes — Anna Halberstadt's NPI (1821576059) is active in the NPPES registry as of the last update on 2024-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.