Dr. Alexander Pike Lemon, MD
- Medicare services, 2022
- 12
- Medicare patients, 2024
- 18
- Part D claims, 2024
- 203
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 4501 Sand Creek Road, Antioch, CA 94531
- Practice phone
- Call (925) 813-6500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lemon's professional email, personal email and mobile number
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Dr. Alexander Pike Lemon is an emergency medicine physician in Antioch, California
Dr. Lemon practices at Antioch Medical Center in Antioch, California, part of Kaiser Permanente.
Dr. Lemon's NPI, 1073718250, was assigned on June 18, 2007. Dr. Lemon graduated from UT Southwestern Medical Center in 2005. Dr. Lemon holds California license A98262.
- NPI
- 1073718250NPI Registry (opens in a new tab)
- NPI enumeration date
- June 18, 2007
- NPI status
- Active
- Practice phone
- (925) 813-6500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alexander Pike Lemon practices at Antioch Medical Center in Antioch, California
Dr. Lemon's primary practice is Antioch Medical Center, at 4501 Sand Creek Road, Antioch, CA 94531 in Contra Costa County. The practice phone is (925) 813-6500.
- Antioch Medical Center4501 Sand Creek Road, Antioch, CA 94531 · Contra Costa CountyPhone(925) 813-6500
Source: Dmand AI Affiliation Data
Dr. Alexander Pike Lemon is affiliated with 2 sites of care and 1 medical group
Dr. Lemon's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente. Dr. Lemon is also affiliated with Harbor-UCLA Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexander Pike Lemon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lemon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Antioch Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander Pike Lemon is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Lemon's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Lemon is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Lemon's licenses on file in 2 states: California and Minnesota.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Minnesota license
Emergency medicine physicians near Dr. Lemon
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alexander Pike Lemon billed Medicare for 12 services in 2022
CMS data shows 12 Medicare services from Dr. Lemon across 1 procedure code in 2022, for 18 Medicare patients. Medicare paid $1,072 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lemon's Medicare services by type, 2020 to 2022
- 2020
- 2022
- Office and hospital visits
- 2020: 132022: 128%
Dr. Lemon compared with the California median for emergency medicine physicians, 2022
- Dr. Lemon
- California median
- Medicare services
- 12vs 26595% below
- Medicare patients
- 18vs 24393% below
- Part D claims
- 78vs 6226% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Lemon's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lemon and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander Pike Lemon treated 18 Medicare patients in 2024, average age 63
CMS counts 18 Medicare patients who saw Dr. Lemon in 2024. 67% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lemon's median patient age at 39, with 59% women.
Chronic conditions among Dr. Lemon's Medicare patients, 2024
- High cholesterol67%
- High blood pressure61%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lemon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Pike Lemon wrote 203 Medicare Part D claims in 2024
In 2024, Dr. Lemon wrote 203 Medicare Part D claims for 136 patients. 86% of them were for generic drugs. CMS names the drug for 78 of them, across 6 drugs with 11 or more claims each, at $946 in total drug cost. In 2023, CMS named 48 claims across 3 drugs.
Dr. Lemon's Part D claims by kind of drug, 2024
- Generic174 claims86%
- Brand-name29 claims14%
Dr. Lemon's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lemon's Part D claims, 2024
- Opioids8%17 of 203 claims
- Antibiotics38%77 of 203 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 482024: 7863%
Drugs named by CMS: 6 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Alexander Pike Lemon graduated from UT Southwestern Medical Center
Dr. Lemon graduated from UT Southwestern Medical Center in 2005.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Alexander Pike Lemon accepts plans from 1 insurance carrier
Dr. Lemon is in network with 1 carrier, including Kaiser Permanente. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Lemon accepts, by number of carriers
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Alexander Pike Lemon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Alexander Pike Lemon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Alexander Pike Lemon's NPI number?
Dr. Alexander Pike Lemon's NPI number is 1073718250. It was assigned on June 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Pike Lemon?
Dr. Alexander Pike Lemon is an emergency medicine physician in Antioch, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Alexander Pike Lemon practice?
Dr. Lemon practices at 4501 Sand Creek Road, Antioch, CA 94531. Dr. Lemon's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente.
What is Dr. Alexander Pike Lemon's office phone number?
The practice phone on file for Dr. Lemon is (925) 813-6500.
What is Dr. Alexander Pike Lemon's medical license number?
Dr. Lemon holds California license A98262, one of the licenses on file in 2 states.
Which states has Dr. Alexander Pike Lemon been licensed in?
Dmand AI has state licenses on file for Dr. Lemon in California (2006 to 2026) and Minnesota (2008 to 2014).
Which hospitals is Dr. Alexander Pike Lemon affiliated with?
Dr. Lemon practices at Antioch Medical Center in Antioch, California. Dr. Lemon is also affiliated with Harbor-UCLA Medical Center.
What medical group is Dr. Alexander Pike Lemon part of?
Dr. Lemon is linked to The Permanente Medical Group, Inc.
Does Dr. Alexander Pike Lemon accept Medicare?
Yes. CMS data shows Dr. Lemon billed Medicare for 12 services in 2022.
How many Medicare patients does Dr. Alexander Pike Lemon see?
CMS counts 18 Medicare patients who saw Dr. Lemon in 2024, with an average age of 63.
Show 6 more questionsShow fewer questions
Is Dr. Alexander Pike Lemon board certified?
Yes. Dr. Lemon is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Alexander Pike Lemon bill to Medicare?
In 2022, Dr. Lemon's most billed Medicare services were emergency department visit (99284).
Where did Dr. Alexander Pike Lemon go to medical school?
Dr. Lemon graduated from UT Southwestern Medical Center in 2005.
What drugs does Dr. Alexander Pike Lemon prescribe most?
In 2024 Medicare Part D data, Dr. Lemon's most prescribed drugs by claims were Cefadroxil, Hydrocodone-Acetaminophen and Cefpodoxime Proxetil.
How long has Dr. Alexander Pike Lemon been practicing?
Dr. Lemon graduated from medical school in 2005, 21 years ago.
What insurance does Dr. Alexander Pike Lemon accept?
Dr. Lemon is in network with 1 carrier, including Kaiser Permanente. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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