Mara Pheister, M.D.
NPI 1639208440 · Psychiatry Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mara Pheister, M.D. is a Psychiatry Physician provider in Milwaukee, WI (NPI 1639208440).
Provider details
- NPI number
- 1639208440
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 52693 (WI)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
212 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 | 97 | $118 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 61 | $167 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $84 |
Typical Medicare-allowed amounts for these services range $84–$167 (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 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 263 | 32 |
| Quetiapine Fumarate | 215 | 26 |
| Trazodone Hcl | 199 | 41 |
| Aripiprazole | 172 | 31 |
| Bupropion Hclbrand: Bupropion Xl | 161 | 36 |
| Duloxetine Hcl | 137 | 33 |
| Venlafaxine Hcl |
Practice location
Mailing address
Additional practice locations (2)
- W180n8085 Town Hall RdMenomonee Falls, WI 53051-3518Phone: (262) 251-1000
- 4805 S Moorland RdNew Berlin, WI 53151-7401Phone: (262) 798-7200Fax: (262) 798-7271
Registry dates
- Enumerated
- 2007-03-05
- Last updated
- 2023-01-09
- Certified
- 2023-01-09
Frequently asked questions
- What is Mara Pheister's NPI number?
- Mara Pheister's National Provider Identifier (NPI) is 1639208440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mara Pheister's specialty?
- Mara Pheister is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mara Pheister located?
- Mara Pheister's practice location on file with NPPES is 3070 N 51st St Ste 206, Milwaukee, WI 53210-1661.
- What is Mara Pheister's phone number?
- The practice phone number listed in the NPPES registry for Mara Pheister is (414) 585-7020.
- Does Mara Pheister accept Medicare?
- Mara Pheister is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mara Pheister's NPI active?
- Yes — Mara Pheister's NPI (1639208440) is active in the NPPES registry as of the last update on 2023-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.