Patricia Calkin, MD
NPI 1417922485 · Psychiatry Physician · Great Falls, MT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patricia Calkin, MD is a Psychiatry Physician provider in Great Falls, MT (NPI 1417922485).
Provider details
- NPI number
- 1417922485
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 10511 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
444 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 | 245 | $95 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 106 | $63 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 93 | $141 |
Typical Medicare-allowed amounts for these services range $63–$141 (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 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 471 | 23 |
| Lorazepam | 447 | 37 |
| Quetiapine Fumarate | 373 | 18 |
| Clonazepam | 348 | 32 |
| Sertraline Hcl | 341 | 25 |
| Fluoxetine Hcl | 296 | 17 |
| Aripiprazole | 283 | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-22
- Last updated
- 2024-04-05
- Certified
- 2021-05-06
Frequently asked questions
- What is Patricia Calkin's NPI number?
- Patricia Calkin's National Provider Identifier (NPI) is 1417922485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patricia Calkin's specialty?
- Patricia Calkin is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Patricia Calkin located?
- Patricia Calkin's practice location on file with NPPES is 1101 26th St S, Great Falls, MT 59405-5161.
- What is Patricia Calkin's phone number?
- The practice phone number listed in the NPPES registry for Patricia Calkin is (406) 731-8888.
- Does Patricia Calkin accept Medicare?
- Patricia Calkin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patricia Calkin's NPI active?
- Yes — Patricia Calkin's NPI (1417922485) is active in the NPPES registry as of the last update on 2024-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.