Robert Ayer, MD
NPI 1891902714 · Neurological Surgery Physician · Lawrenceville, GA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Ayer, MD is a Neurological Surgery Physician provider in Lawrenceville, GA (NPI 1891902714).
Provider details
- NPI number
- 1891902714
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 072491 (GA)
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
553 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 | 119 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $124 |
| Partial Removal of Spine Bone With Release of Spinal Cord And/Or Nerves, Each Additional Segment63048 | 48 | $193 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 36 | $101 |
| Fusion of Additional Segment of Spine22614 | 35 | $390 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methocarbamol | 68 | 43 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 68 | 44 |
| Gabapentin | 66 | 28 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 54 | 25 |
| Diclofenac Sodium | 23 | 13 |
| Tramadol Hcl | 23 | 16 |
| Tizanidine Hcl | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,241 across 19 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
- 2007-05-17
- Last updated
- 2021-08-04
- Certified
- 2021-08-04
Frequently asked questions
- What is Robert Ayer's NPI number?
- Robert Ayer's National Provider Identifier (NPI) is 1891902714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Ayer's specialty?
- Robert Ayer is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Ayer located?
- Robert Ayer's practice location on file with NPPES is 575 Professional Dr, Lawrenceville, GA 30046-3333.
- What is Robert Ayer's phone number?
- The practice phone number listed in the NPPES registry for Robert Ayer is (678) 312-2700.
- Does Robert Ayer accept Medicare?
- Robert Ayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Ayer's NPI active?
- Yes — Robert Ayer's NPI (1891902714) is active in the NPPES registry as of the last update on 2021-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.