Marshal Blatt, M.D.
NPI 1699882423 · Psychiatry Physician · Monterey, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshal Blatt, M.D. is a Psychiatry Physician provider in Monterey, CA (NPI 1699882423).
Provider details
- NPI number
- 1699882423
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G69127 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,111 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 788 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 92 | $111 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 89 | $174 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 60 | $80 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 49 | $173 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 |
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 |
|---|---|---|
| Clonazepam | 293 | 36 |
| Alprazolam | 257 | 28 |
| Aripiprazole | 215 | 60 |
| Trazodone Hcl | 188 | 37 |
| Lorazepam | 171 | 26 |
| Gabapentin | 161 | 27 |
| Lamotrigine | 158 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,500 across 252 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
- 2006-08-25
- Last updated
- 2020-04-21
- Certified
- 2020-04-21
Frequently asked questions
- What is Marshal Blatt's NPI number?
- Marshal Blatt's National Provider Identifier (NPI) is 1699882423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshal Blatt's specialty?
- Marshal Blatt is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marshal Blatt located?
- Marshal Blatt's practice location on file with NPPES is 23625 Holman Hwy, Monterey, CA 93940-5902.
- What is Marshal Blatt's phone number?
- The practice phone number listed in the NPPES registry for Marshal Blatt is (831) 624-5311.
- Does Marshal Blatt accept Medicare?
- Marshal Blatt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshal Blatt's NPI active?
- Yes — Marshal Blatt's NPI (1699882423) is active in the NPPES registry as of the last update on 2020-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.