Catherine Maccormack, NP
NPI 1669801395 · Psychiatric/Mental Health Nurse Practitioner · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Maccormack, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Ann Arbor, MI (NPI 1669801395).
Provider details
- NPI number
- 1669801395
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704301765 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 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
35 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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 35 | $14 |
Typical Medicare-allowed amounts for these services range $14–$14 (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 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clozapine | 180 | 17 |
| Clonazepam | 124 | 17 |
| Haloperidol Decanoate | 112 | 16 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 96 | 11 |
| Benztropine Mesylate | 90 | 16 |
| Olanzapine | 88 | 14 |
| Aripiprazole | 77 | 16 |
| Lumateperone Tosylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$45 across 2 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
Registry dates
- Enumerated
- 2013-11-04
- Last updated
- 2020-12-16
- Certified
- 2020-12-15
Frequently asked questions
- What is Catherine Maccormack's NPI number?
- Catherine Maccormack's National Provider Identifier (NPI) is 1669801395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Maccormack's specialty?
- Catherine Maccormack is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Maccormack located?
- Catherine Maccormack's practice location on file with NPPES is 110 N 4th Ave, Ann Arbor, MI 48104-5503.
- What is Catherine Maccormack's phone number?
- The practice phone number listed in the NPPES registry for Catherine Maccormack is (734) 544-3050.
- Does Catherine Maccormack accept Medicare?
- Catherine Maccormack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Maccormack's NPI active?
- Yes — Catherine Maccormack's NPI (1669801395) is active in the NPPES registry as of the last update on 2020-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.