Ann Collier, MD
NPI 1487898458 · Neurology Physician · Billings, MT
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Collier, MD is a Neurology Physician provider in Billings, MT (NPI 1487898458).
Provider details
- NPI number
- 1487898458
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 69467 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
24 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
164 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) |
|---|---|---|
| Telehealth Consultation, Emergency Department Or Initial Inpatient, Typically 30 Minutes Communicating With the Patient Via TelehealthG0425 | 50 | $87 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 33 | $76 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 18 | $124 |
| Follow-Up Inpatient Consultation, Intermediate, Physicians Typically Spend 25 Minutes Communicating With the Patient Via TelehealthG0407 | 17 | $67 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 16 | $47 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 4 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 43 | 16 |
| Levetiracetam | 33 | 18 |
| Clobazam | 25 | — |
| Divalproex Sodium | 21 | — |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,335 across 7 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 (23)
- 1701 S Creasy LnLafayette, IN 47905-4972Phone: (765) 502-4400Fax: (765) 502-4401
- 15790 Paul Vega DrHammond, LA 70403-1436Phone: (985) 230-1683Fax: (985) 230-6652
- 1102 W 32nd StJoplin, MO 64804-3503Phone: (417) 347-4570
- 971 Lakeland Dr Ste 557Jackson, MS 39216-4661Phone: (601) 200-4560Fax: (601) 200-4580
- 200 Hawthorne LnCharlotte, NC 28204-2515Phone: (704) 384-9437Fax: (704) 384-9440
- 1 Medical Park BlvdBristol, TN 37620-7430Phone: (423) 844-1121
- 1501 W Elk AveElizabethton, TN 37643-2874Phone: (423) 542-1300
- 2030 Temple Hill RdErwin, TN 37650-8721Phone: (423) 743-3141
- 1420 Tusculum Blvd
Registry dates
- Enumerated
- 2009-04-21
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is Ann Collier's NPI number?
- Ann Collier's National Provider Identifier (NPI) is 1487898458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Collier's specialty?
- Ann Collier is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Collier located?
- Ann Collier's practice location on file with NPPES is 801 N 29th St, Billings, MT 59101-0905.
- What is Ann Collier's phone number?
- The practice phone number listed in the NPPES registry for Ann Collier is (406) 238-2500.
- Does Ann Collier accept Medicare?
- Ann Collier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Collier's NPI active?
- Yes — Ann Collier's NPI (1487898458) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.