Melissa Deer, M.D
NPI 1043415888 · Psychiatry Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Deer, M.D is a Psychiatry Physician provider in San Diego, CA (NPI 1043415888).
Provider details
- NPI number
- 1043415888
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- A107921 (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
36 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 36 | $160 |
Typical Medicare-allowed amounts for these services range $160–$160 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 141 | — |
| Sertraline Hcl | 87 | — |
| Quetiapine Fumarate | 74 | 12 |
| Olanzapine | 59 | — |
| Haloperidol | 58 | — |
| Mirtazapine | 54 | — |
| Hydroxyzine Hcl | 41 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$259 across 12 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
- 2007-06-20
- Last updated
- 2015-02-11
Frequently asked questions
- What is Melissa Deer's NPI number?
- Melissa Deer's National Provider Identifier (NPI) is 1043415888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Deer's specialty?
- Melissa Deer is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Deer located?
- Melissa Deer's practice location on file with NPPES is 2630 1st Ave, San Diego, CA 92103-6599.
- What is Melissa Deer's phone number?
- The practice phone number listed in the NPPES registry for Melissa Deer is (619) 234-2158.
- Does Melissa Deer accept Medicare?
- Melissa Deer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Deer's NPI active?
- Yes — Melissa Deer's NPI (1043415888) is active in the NPPES registry as of the last update on 2015-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.