David Franzblau, M.D.
NPI 1669458576 · Psychiatry Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Franzblau, M.D. is a Psychiatry Physician provider in Grand Rapids, MI (NPI 1669458576).
Provider details
- NPI number
- 1669458576
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35064235 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Haloperidol Decanoate | 71 |
| Aripiprazolebrand: Abilify Maintena | 67 |
| Clozapine | 47 |
| Propranolol Hclbrand: Propranolol Hcl Er | 39 |
| Benztropine Mesylate | 30 |
| Trazodone Hcl | 22 |
| Paliperidone Palmitatebrand: Invega Sustenna | 20 |
| Hydroxyzine Hcl | 18 |
| Bupropion Hclbrand: Bupropion Xl | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$605 across 40 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
- 2005-12-22
- Last updated
- 2023-02-17
- Certified
- 2023-02-17
Frequently asked questions
- What is David Franzblau's NPI number?
- David Franzblau's National Provider Identifier (NPI) is 1669458576, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Franzblau's specialty?
- David Franzblau is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is David Franzblau located?
- David Franzblau's practice location on file with NPPES is 2750 E Beltline Ave Ne, Grand Rapids, MI 49525-8614.
- What is David Franzblau's phone number?
- The practice phone number listed in the NPPES registry for David Franzblau is (616) 447-5820.
- Does David Franzblau accept Medicare?
- David Franzblau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Franzblau's NPI active?
- Yes — David Franzblau's NPI (1669458576) is active in the NPPES registry as of the last update on 2023-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.