Dr. Jessica Shanshan Maslin, MD

  • Chula Vista, CA
  • Ophthalmologist
NPI1154684553PAC ID8820318066
Medicare services, 2024
2,161
Medicare patients, 2024
757
Part D claims, 2024
5,179
Publications
12
MIPS score, 2024
99
Practice address
480 4th Ave, Chula Vista, CA 91910
Practice phone
Call (619) 427-3355
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Eye Institute of California Medical Group Inc

Chula Vista, California

See all 6 affiliations

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Dr. Jessica Shanshan Maslin is an ophthalmologist in Chula Vista, California

Dr. Maslin practices at Eye Institute of California Medical Group Inc in Chula Vista, California.

Dr. Maslin's NPI, 1154684553, was assigned on June 20, 2012. Dr. Maslin graduated from UC San Diego School of Medicine in 2012. Dr. Maslin holds California license A140884.

NPI and contact details
Medicare PAC ID
8820318066
NPI enumeration date
June 20, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(619) 427-3355
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
40
Medical school graduation
2012

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

Dr. Jessica Shanshan Maslin practices at Eye Institute of California Medical Group Inc in Chula Vista, California

Dr. Maslin's primary practice is Eye Institute of California Medical Group Inc, at 480 4th Ave, Chula Vista, CA 91910 in San Diego County. The practice phone is (619) 427-3355.

  • Eye Institute of California Medical Group Inc
    480 4th Ave, Chula Vista, CA 91910 · San Diego CountyPhone(619) 427-3355

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

Dr. Jessica Shanshan Maslin is affiliated with 4 sites of care and 2 medical groups

Dr. Maslin's primary practice is Eye Institute of California Medical Group Inc in Chula Vista, California. Dr. Maslin is also affiliated with Scripps Mercy Hospital San Diego. The medical group on file is Emergency and Acute Care Medical Corporation. Dmand AI also links Dr. Maslin to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Maslin

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

Dmand AI tracks the EHR system at Dr. Jessica Shanshan Maslin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maslin practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Eye Institute of California Medical Group IncAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jessica Shanshan Maslin is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Maslin's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Maslin is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Maslin is licensed in California.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A140884 · 2016 to 2027 · taxonomy 207W00000X

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eyelid inflammation, glaucoma and glaucoma surgery among the conditions Dr. Maslin treats.

Ophthalmologists near Dr. Maslin

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. Jessica Shanshan Maslin billed Medicare for 2,161 services in 2024

CMS data shows 2,161 Medicare services from Dr. Maslin across 16 procedure codes in 2024, for 757 Medicare patients. Medicare paid $179,515 for them.

Medicare services, 20242,161
Medicare patients757
Paid by Medicare$179,515
Procedure codes16

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

  • 2023
  • 2024
Tests and treatments
2023: 1,2042024: 1,46722%
Office and hospital visits
2023: 5162024: 57010%
Surgery
2023: 1282024: 1243%

Where Dr. Maslin's Medicare services took place, 2024

  • In an office2,07396%
  • In a facility884%

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

  • Dr. Maslin
  • California median
Medicare services
2,161vs 1,0792.0 times
Medicare patients
757vs 42180% above
Part D claims
5,094vs 6188.2 times

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

Dr. Maslin'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. Maslin

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

Dr. Jessica Shanshan Maslin treated 757 Medicare patients in 2024, average age 77

CMS counts 757 Medicare patients who saw Dr. Maslin in 2024. The largest group is 65 to 74, with 290 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Maslin's median patient age at 76, with 56% women.

Medicare patients, 2024757
Average age77
Average risk score1.25
Also on Medicaid25%

Dr. Maslin's Medicare patients by age, 2024

Dr. Maslin's Medicare patients by sex, 2024

  • Women44859%
  • Men30941%

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

  1. High blood pressure75%
  2. High cholesterol71%
  3. Diabetes51%
  4. Arthritis37%
  5. Chronic kidney disease27%
  6. Ischemic heart disease22%
  7. Heart failure17%
  8. Osteoporosis17%

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

Dr. Maslin's patients across all payers

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

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. Jessica Shanshan Maslin wrote 5,179 Medicare Part D claims in 2024

In 2024, Dr. Maslin wrote 5,179 Medicare Part D claims for 973 patients. 56% of them were for generic drugs. CMS names the drug for 5,094 of them, across 27 drugs with 11 or more claims each, at $617,364 in total drug cost. In 2023, CMS named 4,331 claims across 27 drugs.

Part D claims, 20245,179
Drugs named by CMS27
Total drug cost$617,364
Part D patients973

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

  • Generic2,917 claims56%
  • Brand-name2,262 claims44%

Dr. Maslin'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4,3312024: 5,09418%

Drugs named by CMS: 27 in 2024, 27 in 2023.

See all prescribing by Dr. Maslin

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. Jessica Shanshan Maslin scored 99 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Maslin for performance year 2024, reported as part of a group. Dr. Maslin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 120 procedures of cataract surgery by Dr. Maslin, more than 77% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Maslin's MIPS scores, performance year 2024

  • 99of 100Final score
  • 91.7of 100Quality
  • 40of 100Improvement Activities
  • 100of 100Cost

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

Where Dr. Maslin ranks in Medicare procedure volume

Cataract surgery
77th percentile120 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

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Dr. Jessica Shanshan Maslin has 12 publications on record

Dmand AI links 12 papers to Dr. Maslin, published from 2015 to 2020. 2016 was the busiest year, with 5. The most frequent topics are Intraocular Pressure, Ciliary Body and Glaucoma. Dr. Maslin has published most often in Clin Ophthalmol. Dr. Maslin's most frequent co-authors are Nisha Chadha, MD, Ji Liu, MD and Robert John Noecker, MD.

Papers12
Years published2015 to 2020

Dr. Maslin's papers by year, 2015 to 2020

Topics Dr. Maslin writes about most

  • Intraocular Pressure
  • Ciliary Body
  • Glaucoma
  • Laser Coagulation
  • Sclera

Dr. Maslin's most frequent co-authors

Recent publications by Dr. Maslin

See all 12 publications and co-authors

See who Dr. Maslin researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Maslin 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. Jessica Shanshan Maslin received $8,310 in industry payments from 2016 to 2025

CMS Open Payments shows 184 general payments to Dr. Maslin from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Glaukos Corporation paid the most, $1,772.

General payments to Dr. Maslin by program year, 2016 to 2025

General payments to Dr. Maslin by kind, 2016 to 2025

$8.3Kin total
  • Food and beverage$6,29776%
  • Speaker and faculty fees$1,23715%
  • Travel and lodging$7759%

Companies that paid Dr. Maslin the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Maslin

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

Dr. Jessica Shanshan Maslin has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Maslin, most recently San Diego Top Doctors - Physicians of Exceptional Excellence in 2023.

Awards and honors for Dr. Maslin

  1. 2023
    • San Diego Top Doctors - Physicians of Exceptional Excellence
  2. 2016
    • Patrick Mathews Award for Top Resident
  3. 2012
    • Samuel B. Hamburger Award for Best Research Project
  4. 2008
    • Phi Beta Kappa

Source: Dmand AI Professional Profile Data

Dr. Jessica Shanshan Maslin graduated from UC San Diego School of Medicine

Dr. Maslin graduated from UC San Diego School of Medicine in 2012. Dr. Maslin is a member of AAO, American Glaucoma Society and American Society of Cataract and Refractive Surgeons.

  1. Medical schoolUC San Diego School of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Jessica Shanshan Maslin accepts plans from 12 insurance carriers

Dr. Maslin is in network with 12 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Excellus BlueCross BlueShield
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • +4 more carriersWith a free account

Plan types Dr. Maslin accepts, by number of carriers

  1. Medicare10
  2. PPO8
  3. HMO6
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jessica Shanshan Maslin'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)Doctors and Clinicians Utilization Data (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. Jessica Shanshan Maslin

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. Jessica Shanshan Maslin's NPI number?

Dr. Jessica Shanshan Maslin's NPI number is 1154684553. It was assigned on June 20, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Jessica Shanshan Maslin?

Dr. Jessica Shanshan Maslin is an ophthalmologist in Chula Vista, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Jessica Shanshan Maslin practice?

Dr. Maslin practices at 480 4th Ave, Chula Vista, CA 91910. Dr. Maslin's primary practice is Eye Institute of California Medical Group Inc in Chula Vista, California. Dmand AI also links Dr. Maslin to 2 group practices and clinics and 1 medical group.

What is Dr. Jessica Shanshan Maslin's office phone number?

The practice phone on file for Dr. Maslin is (619) 427-3355.

What is Dr. Jessica Shanshan Maslin's medical license number?

Dr. Maslin holds California license A140884.

Which hospitals is Dr. Jessica Shanshan Maslin affiliated with?

Dr. Maslin is affiliated with Scripps Mercy Hospital San Diego.

What medical group is Dr. Jessica Shanshan Maslin part of?

Dr. Maslin is linked to Emergency and Acute Care Medical Corporation. Dmand AI links Dr. Maslin to 1 more medical group.

Does Dr. Jessica Shanshan Maslin accept Medicare?

Yes. CMS data shows Dr. Maslin billed Medicare for 2,161 services in 2024, and Dr. Maslin accepts Medicare assignment.

What is Dr. Jessica Shanshan Maslin's MIPS score?

Dr. Maslin's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.

How many Medicare patients does Dr. Jessica Shanshan Maslin see?

CMS counts 757 Medicare patients who saw Dr. Maslin in 2024, with an average age of 77.

Show 9 more questionsShow fewer questions

Is Dr. Jessica Shanshan Maslin board certified?

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

What services does Dr. Jessica Shanshan Maslin bill to Medicare?

In 2024, Dr. Maslin's most billed Medicare services were eye exam or test (92014), eye exam or test (92250) and office visit, established patient (99214).

Where did Dr. Jessica Shanshan Maslin go to medical school?

Dr. Maslin graduated from UC San Diego School of Medicine in 2012.

What drugs does Dr. Jessica Shanshan Maslin prescribe most?

In 2024 Medicare Part D data, Dr. Maslin's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Prednisolone Acetate.

Has Dr. Jessica Shanshan Maslin received payments from drug or device companies?

CMS Open Payments shows $8,310 in general payments to Dr. Maslin from 26 companies from 2016 to 2025. The largest total came from Glaukos Corporation.

How long has Dr. Jessica Shanshan Maslin been practicing?

Dr. Maslin graduated from medical school in 2012, 14 years ago.

Does Dr. Jessica Shanshan Maslin do research?

Dmand AI links 12 publications to Dr. Maslin, published from 2015 to 2020.

Who does Dr. Jessica Shanshan Maslin publish with?

Dr. Maslin's most frequent co-authors are Nisha Chadha, MD (3 shared papers), Ji Liu, MD (3 shared papers) and Robert John Noecker, MD (2 shared papers).

What insurance does Dr. Jessica Shanshan Maslin accept?

Dr. Maslin is in network with 12 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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