Melissa Lehmer, MD
NPI 1699922252 · Neurology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Lehmer, MD is a Neurology Physician provider in Walnut Creek, CA (NPI 1699922252).
Provider details
- NPI number
- 1699922252
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A98009 (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
17 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
789 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 308 | $20 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 284 | $162 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 54 | $228 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 35 | $205 |
| Measurement of Brain Wave Activity (eeg), in Coma Or Asleep95822 | 31 | $68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 104 | 32 |
| Donepezil Hcl | 100 | 33 |
| Gabapentin | 91 | 32 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 86 | 27 |
| Levetiracetam | 57 | 23 |
| Lamotrigine | 44 | — |
| Erenumab-Aooebrand: Aimovig Autoinjector | 39 | — |
| Sertraline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$585 across 23 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
- 2008-08-25
- Last updated
- 2025-03-03
- Certified
- 2025-03-03
Frequently asked questions
- What is Melissa Lehmer's NPI number?
- Melissa Lehmer's National Provider Identifier (NPI) is 1699922252, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Lehmer's specialty?
- Melissa Lehmer is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Lehmer located?
- Melissa Lehmer's practice location on file with NPPES is 575 Lennon Ln Ste 152, Walnut Creek, CA 94598-2443.
- What is Melissa Lehmer's phone number?
- The practice phone number listed in the NPPES registry for Melissa Lehmer is (925) 602-7060.
- Does Melissa Lehmer accept Medicare?
- Melissa Lehmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Lehmer's NPI active?
- Yes — Melissa Lehmer's NPI (1699922252) is active in the NPPES registry as of the last update on 2025-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.