Dr. Sandra D. Lithgow, MD
- Part D claims, 2024
- 1,878
- Hospital affiliations
- 1
- Industry payments
- $5,153
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 5 Perryridge Rd, Greenwich, CT 06830
- Practice phone
- Call (203) 863-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lithgow's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sandra D. Lithgow is an internist in Greenwich, Connecticut
Dr. Lithgow practices at Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
Dr. Lithgow's NPI, 1205933033, was assigned on September 20, 2006. Dr. Lithgow graduated from Albert Einstein College of Medicine of Yeshiva University in 1994. Dr. Lithgow holds New York license 202718.
- NPI
- 1205933033NPI Registry (opens in a new tab)
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Practice phone
- (203) 863-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Sandra D. Lithgow practices at Greenwich Hospital in Greenwich, Connecticut
Dr. Lithgow's primary practice is Greenwich Hospital, at 5 Perryridge Rd, Greenwich, CT 06830 in Fairfield County. The practice phone is (203) 863-3000.
- Greenwich Hospital5 Perryridge Rd, Greenwich, CT 06830 · Fairfield CountyPhone(203) 863-3000
Source: Dmand AI Affiliation Data
Dr. Sandra D. Lithgow is affiliated with 1 site of care
Dr. Lithgow's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sandra D. Lithgow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lithgow practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenwich Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sandra D. Lithgow is one of 2,189 internists in Connecticut
Internal medicine is Dr. Lithgow's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lithgow is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Lithgow
Counts of internists 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. Sandra D. Lithgow's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Lithgow's median patient age at 64, with 74% women.
Dr. Lithgow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women74%
- Men23%
Source: Dmand AI Patient Panel Data
Dr. Sandra D. Lithgow wrote 1,878 Medicare Part D claims in 2024
In 2024, Dr. Lithgow wrote 1,878 Medicare Part D claims for 146 patients. 87% of them were for generic drugs. CMS names the drug for 1,446 of them, across 50 drugs with 11 or more claims each, at $74,928 in total drug cost. In 2023, CMS named 1,145 claims across 40 drugs.
Dr. Lithgow's Part D claims by kind of drug, 2024
- Generic1,636 claims87%
- Brand-name and other242 claims13%
Dr. Lithgow'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. Lithgow's Part D claims, 2024
- Antibiotics6%105 of 1,878 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: 1,1452024: 1,44626%
Drugs named by CMS: 50 in 2024, 40 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. Sandra D. Lithgow received $5,153 in industry payments from 2016 to 2025
CMS Open Payments shows 278 general payments to Dr. Lithgow from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $1,313.
General payments to Dr. Lithgow by program year, 2016 to 2025
General payments to Dr. Lithgow by kind, 2016 to 2025
- Food and beverage$5,03198%
- Education$1212%
Companies that paid Dr. Lithgow the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sandra D. Lithgow graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Lithgow graduated from Albert Einstein College of Medicine of Yeshiva University in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sandra D. Lithgow'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Sandra D. Lithgow
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. Sandra D. Lithgow's NPI number?
Dr. Sandra D. Lithgow's NPI number is 1205933033. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sandra D. Lithgow?
Dr. Sandra D. Lithgow is an internist in Greenwich, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sandra D. Lithgow practice?
Dr. Lithgow practices at 5 Perryridge Rd, Greenwich, CT 06830. Dr. Lithgow's primary practice is Greenwich Hospital in Greenwich, Connecticut, part of Yale New Haven Health System.
What is Dr. Sandra D. Lithgow's office phone number?
The practice phone on file for Dr. Lithgow is (203) 863-3000.
What is Dr. Sandra D. Lithgow's medical license number?
Dr. Lithgow holds New York license 202718.
Which hospitals is Dr. Sandra D. Lithgow affiliated with?
Dr. Lithgow practices at Greenwich Hospital in Greenwich, Connecticut.
Where did Dr. Sandra D. Lithgow go to medical school?
Dr. Lithgow graduated from Albert Einstein College of Medicine of Yeshiva University in 1994.
What drugs does Dr. Sandra D. Lithgow prescribe most?
In 2024 Medicare Part D data, Dr. Lithgow's most prescribed drugs by claims were Rosuvastatin Calcium, Levothyroxine Sodium and Atorvastatin Calcium.
Has Dr. Sandra D. Lithgow received payments from drug or device companies?
CMS Open Payments shows $5,153 in general payments to Dr. Lithgow from 33 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Sandra D. Lithgow been practicing?
Dr. Lithgow graduated from medical school in 1994, 32 years ago.
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