Dr. Alexander Craig Walsh, MD

  • Pasadena, CA
  • Ophthalmologist
NPI1043301740PAC ID5890753909
Medicare services, 2024
147
Medicare patients, 2024
23
Part D claims, 2024
15
Publications
30
MIPS score, 2024
100
Practice address
301 S Fair Oaks Ave, Pasadena, CA 91105
Practice phone
Call (626) 440-0099
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Pasadena Ambulatory Surgery Center

Pasadena, California

See all 3 affiliations

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Dr. Alexander Craig Walsh is an ophthalmologist in Pasadena, California

Dr. Walsh practices at Pasadena Ambulatory Surgery Center in Pasadena, California.

Dr. Walsh's NPI, 1043301740, was assigned on September 27, 2006. Dr. Walsh graduated from Vagelos College of Physicians and Surgeons in 1998. Dr. Walsh's California license number on file is A079504.

NPI and contact details
Medicare PAC ID
5890753909
NPI enumeration date
September 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(626) 440-0099
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Alexander Craig Walsh practices at Pasadena Ambulatory Surgery Center in Pasadena, California

Dr. Walsh's primary practice is Pasadena Ambulatory Surgery Center, at 301 S Fair Oaks Ave, Pasadena, CA 91105 in Los Angeles County. The practice phone is (626) 440-0099.

  • Pasadena Ambulatory Surgery Center
    301 S Fair Oaks Ave, Pasadena, CA 91105 · Los Angeles CountyPhone(626) 440-0099

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Alexander Craig Walsh is affiliated with 2 sites of care and 1 medical group

Dr. Walsh's primary practice is Pasadena Ambulatory Surgery Center in Pasadena, California. Dmand AI also links Dr. Walsh to 1 group practice or clinic and 1 medical group, each named with a free account.

Pasadena Ambulatory Surgery CenterPasadena, CaliforniaPrimary
1 group practice or clinicName with a free account1 medical groupName with a free account
See all 3 affiliations for Dr. Walsh

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Alexander Craig Walsh's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walsh practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Pasadena Ambulatory Surgery CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alexander Craig Walsh is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Walsh's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Walsh is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Walsh has a license on file in California.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A079504 · 2002 to 2025 · taxonomy 207W00000X

Clinical focus

Dmand AI lists age-related macular degeneration, vision problems and visual impairment and blindness among the conditions Dr. Walsh treats.

Ophthalmologists near Dr. Walsh

Counts of ophthalmologists 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 Craig Walsh billed Medicare for 147 services in 2024

CMS data shows 147 Medicare services from Dr. Walsh across 2 procedure codes in 2024, for 23 Medicare patients. Medicare paid $9,967 for them. Every service was in an office.

Medicare services, 2024147
Medicare patients23
Paid by Medicare$9,967
Procedure codes2

Dr. Walsh's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1552024: 1475%

Dr. Walsh compared with the California median for ophthalmologists, 2024

  • Dr. Walsh
  • California median
Medicare services
147vs 1,07986% below
Medicare patients
23vs 42195% below
Part D claims
11vs 61898% below

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Dr. Walsh's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Walsh

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Alexander Craig Walsh treated 23 Medicare patients in 2024, average age 83

CMS counts 23 Medicare patients who saw Dr. Walsh in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.49, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Walsh's median patient age at 75, with 53% women.

Medicare patients, 202423
Average age83
Average risk score1.49

Chronic conditions among Dr. Walsh's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Chronic kidney disease48%

Share of Medicare patients with each condition. A patient can have several.

Dr. Walsh's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women53%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Alexander Craig Walsh wrote 15 Medicare Part D claims in 2024

In 2024, Dr. Walsh wrote 15 Medicare Part D claims. 73% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $3,575 in total drug cost. In 2019, CMS named 14 claims across 1 drug.

Part D claims, 202415
Drugs named by CMS1
Total drug cost$3,575

Dr. Walsh's Part D claims by kind of drug, 2024

  • Generic11 claims73%
  • Brand-name and other4 claims27%

Dr. Walsh's most prescribed drugs by claims, 2020

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 142020: 1121%

Drugs named by CMS: 1 in 2020, 1 in 2019.

See all prescribing by Dr. Walsh

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

Dr. Alexander Craig Walsh scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Walsh for performance year 2024, reported as part of a group. Dr. Walsh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Walsh's MIPS scores, performance year 2024

  • 100of 100Final score
  • 94of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Alexander Craig Walsh has 30 publications on record

Dmand AI links 30 papers to Dr. Walsh, published from 2007 to 2014. 2008 was the busiest year, with 5. The most frequent topics are Tomography, Optical Coherence, Retina and Choroidal Neovascularization. Dr. Walsh has published most often in Invest Ophthalmol Vis Sci. Dr. Walsh's most frequent co-authors are Srinivas Reddy Sadda, MD, Jacob Wellington Brubaker, MD and Emma Coleen McDonnell.

Papers30
Years published2007 to 2014

Dr. Walsh's papers by year, 2007 to 2014

Topics Dr. Walsh writes about most

  • Tomography, Optical Coherence
  • Retina
  • Choroidal Neovascularization
  • Macular Degeneration
  • Fluorescein Angiography
  • Visual Acuity
  • Antibodies, Monoclonal, Humanized
  • Image Processing, Computer-Assisted

Dr. Walsh's most frequent co-authors

Recent publications by Dr. Walsh

See all 30 publications and co-authors

See who Dr. Walsh researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walsh works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Alexander Craig Walsh received $444 in industry payments from 2016 to 2024

CMS Open Payments shows 8 general payments to Dr. Walsh from 4 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Carl Zeiss Meditec, Inc. paid the most, $202.

General payments to Dr. Walsh by program year, 2016 to 2024

Companies that paid Dr. Walsh the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Walsh

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Alexander Craig Walsh has 1 award and honors on record

Dmand AI lists 1 award for Dr. Walsh.

Awards and honors for Dr. Walsh

  1. Undated
    • AAO Fellow

Source: Dmand AI Professional Profile Data

Dr. Alexander Craig Walsh graduated from Vagelos College of Physicians and Surgeons

Dr. Walsh graduated from Vagelos College of Physicians and Surgeons in 1998. Dr. Walsh is a member of AAO.

  1. Medical schoolVagelos College of Physicians and Surgeons
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Alexander Craig Walsh accepts plans from 14 insurance carriers

Dr. Walsh is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Walsh accepts, by number of carriers

  1. Medicare11
  2. HMO9
  3. PPO8
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Alexander Craig Walsh's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Alexander Craig Walsh

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 Craig Walsh's NPI number?

Dr. Alexander Craig Walsh's NPI number is 1043301740. It was assigned on September 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Alexander Craig Walsh?

Dr. Alexander Craig Walsh is an ophthalmologist in Pasadena, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Alexander Craig Walsh practice?

Dr. Walsh practices at 301 S Fair Oaks Ave, Pasadena, CA 91105. Dr. Walsh's primary practice is Pasadena Ambulatory Surgery Center in Pasadena, California. Dmand AI also links Dr. Walsh to 1 group practice or clinic and 1 medical group.

What is Dr. Alexander Craig Walsh's office phone number?

The practice phone on file for Dr. Walsh is (626) 440-0099.

What is Dr. Alexander Craig Walsh's medical license number?

Dr. Walsh's California license number on file is A079504.

Does Dr. Alexander Craig Walsh accept Medicare?

Yes. CMS data shows Dr. Walsh billed Medicare for 147 services in 2024, and Dr. Walsh accepts Medicare assignment.

What is Dr. Alexander Craig Walsh's MIPS score?

Dr. Walsh's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Dr. Alexander Craig Walsh see?

CMS counts 23 Medicare patients who saw Dr. Walsh in 2024, with an average age of 83.

Is Dr. Alexander Craig Walsh board certified?

Yes. Dr. Walsh is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Dr. Alexander Craig Walsh bill to Medicare?

In 2024, Dr. Walsh's most billed Medicare services were eye exam or test (92134) and eye exam or test (92014).

Show 7 more questionsShow fewer questions

Where did Dr. Alexander Craig Walsh go to medical school?

Dr. Walsh graduated from Vagelos College of Physicians and Surgeons in 1998.

What drugs does Dr. Alexander Craig Walsh prescribe most?

In 2020 Medicare Part D data, Dr. Walsh's most prescribed drugs by claims were Nevanac.

Has Dr. Alexander Craig Walsh received payments from drug or device companies?

CMS Open Payments shows $444 in general payments to Dr. Walsh from 4 companies from 2016 to 2024. The largest total came from Carl Zeiss Meditec, Inc.

How long has Dr. Alexander Craig Walsh been practicing?

Dr. Walsh graduated from medical school in 1998, 28 years ago.

Does Dr. Alexander Craig Walsh do research?

Dmand AI links 30 publications to Dr. Walsh, published from 2007 to 2014.

Who does Dr. Alexander Craig Walsh publish with?

Dr. Walsh's most frequent co-authors are Srinivas Reddy Sadda, MD (27 shared papers), Jacob Wellington Brubaker, MD (2 shared papers) and Emma Coleen McDonnell (2 shared papers).

What insurance does Dr. Alexander Craig Walsh accept?

Dr. Walsh is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

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