John Lay, D.O.
NPI 1659406825 · Family Medicine Physician · Aptos, CA
Enrolled with Medicare as Practitioner - Osteopathic Manipulative Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Lay, D.O. is a Family Medicine Physician provider in Aptos, CA (NPI 1659406825).
Provider details
- NPI number
- 1659406825
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 020A41460 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
6,172 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 3,068 | $61 |
| Osteopathic Manipulative Treatment, 3-4 Body Regions98926 | 3,055 | $48 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 21 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $137 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 11 | $177 |
Typical Medicare-allowed amounts for these services range $48–$177 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 105 | 13 |
| Zolpidem Tartrate | 59 | — |
| Alprazolam | 41 | — |
| Gabapentin | 41 | 11 |
| Lorazepam | 36 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 33 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-21
- Last updated
- 2012-02-23
Frequently asked questions
- What is John Lay's NPI number?
- John Lay's National Provider Identifier (NPI) is 1659406825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Lay's specialty?
- John Lay is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Lay located?
- John Lay's practice location on file with NPPES is 10098 Soquel Dr, Aptos, CA 95003-4926.
- What is John Lay's phone number?
- The practice phone number listed in the NPPES registry for John Lay is (831) 688-3112.
- Does John Lay accept Medicare?
- John Lay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Lay's NPI active?
- Yes — John Lay's NPI (1659406825) is active in the NPPES registry as of the last update on 2012-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.