Dr. Xiaolan Fei, MD
- Medicare services, 2024
- 67
- Medicare patients, 2024
- 52
- Part D claims, 2024
- 129
- Hospital affiliations
- 1
- Industry payments
- $2,657
- Practice address
- 130 Division St, Derby, CT 06418
- Practice phone
- Call (203) 732-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fei's professional email, personal email and mobile number
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Dr. Xiaolan Fei is an OB-GYN in Derby, Connecticut
Dr. Fei practices at Griffin Hospital in Derby, Connecticut, part of Griffin Hospital.
Dr. Fei's NPI, 1548571037, was assigned on June 29, 2010. Dr. Fei graduated from Other in 1993. Dr. Fei holds Connecticut license 048701.
- NPI
- 1548571037NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254523459
- NPI enumeration date
- June 29, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 732-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Xiaolan Fei practices at 2 locations in Derby, Connecticut
Dr. Fei's primary practice is Griffin Hospital, at 130 Division St, Derby, CT 06418 in New Haven County. The practice phone is (203) 732-7500. Dr. Fei also practices at Griffin Hospital, 144 Division St, Derby, CT 06418.
- Griffin HospitalPrimary130 Division St, Derby, CT 06418 · New Haven CountyPhone(203) 732-7500
- Griffin Hospital144 Division St, Derby, CT 06418 · Naugatuck Vly CountyPhone(203) 732-7360
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Xiaolan Fei is affiliated with 3 sites of care and 2 medical groups
Dr. Fei's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital. The medical group on file is Griffin Faculty Physicians. Dmand AI also links Dr. Fei to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Xiaolan Fei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fei practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Griffin Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Xiaolan Fei is one of 591 OB-GYNs in Connecticut
Obstetrics and gynecology is Dr. Fei's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Fei is licensed in Connecticut.
Specialties and state licenses
- Obstetrics and gynecology, ConnecticutPrimary
OB-GYNs near Dr. Fei
Counts of OB-GYNs 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. Xiaolan Fei billed Medicare for 67 services in 2024
CMS data shows 67 Medicare services from Dr. Fei across 3 procedure codes in 2024, for 52 Medicare patients. Medicare paid $3,931 for them. Every service was in an office.
Dr. Fei's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 262024: 3431%
- Office and hospital visits
- 2023: 182024: 2011%
- Imaging
- 2023: 02024: 13
- Lab and pathology
- 2023: 282024: 0100%
Dr. Fei compared with the Connecticut median for OB-GYNs, 2024
- Dr. Fei
- Connecticut median
- Medicare services
- 67vs 70Close to median
- Medicare patients
- 52vs 496% above
- Part D claims
- 56vs 54Close to median
Medians across 541 OB-GYNs in Connecticut with Dmand AI profiles that report each measure.
Dr. Fei'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fei and other OB-GYNs in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Xiaolan Fei treated 52 Medicare patients in 2024, average age 69
CMS counts 52 Medicare patients who saw Dr. Fei in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fei's median patient age at 45, with 99% women.
Dr. Fei's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Fei's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis48%
- Osteoporosis29%
- Anxiety25%
- Diabetes23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Xiaolan Fei wrote 129 Medicare Part D claims in 2024
In 2024, Dr. Fei wrote 129 Medicare Part D claims for 66 patients. 87% of them were for generic drugs. CMS names the drug for 56 of them, across 2 drugs with 11 or more claims each, at $2,568 in total drug cost. In 2023, CMS named 49 claims across 3 drugs.
Dr. Fei's Part D claims by kind of drug, 2024
- Generic112 claims87%
- Brand-name and other17 claims13%
Dr. Fei'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. Fei's Part D claims, 2024
- Antibiotics14%18 of 129 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: 492024: 5614%
Drugs named by CMS: 2 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
Dr. Xiaolan Fei scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Fei for performance year 2024, reported as part of a group. Dr. Fei accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Fei's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Promoting Interoperability
- 0of 100Improvement Activities
- 0of 100Cost
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. Xiaolan Fei received $2,657 in industry payments from 2016 to 2025
CMS Open Payments shows 131 general payments to Dr. Fei from 29 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, $735.
General payments to Dr. Fei by program year, 2016 to 2025
General payments to Dr. Fei by kind, 2016 to 2025
- Food and beverage$2,60398%
- Education$532%
Companies that paid Dr. Fei 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. Xiaolan Fei graduated from Other
Dr. Fei graduated from Other in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Xiaolan Fei'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Xiaolan Fei
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. Xiaolan Fei's NPI number?
Dr. Xiaolan Fei's NPI number is 1548571037. It was assigned on June 29, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Xiaolan Fei?
Dr. Xiaolan Fei is an OB-GYN in Derby, Connecticut. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Xiaolan Fei practice?
Dr. Fei practices at 130 Division St, Derby, CT 06418. Dr. Fei also practices at 144 Division St, Derby, CT 06418. Dr. Fei's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital. Dmand AI also links Dr. Fei to 2 group practices and clinics and 1 medical group.
What is Dr. Xiaolan Fei's office phone number?
The practice phone on file for Dr. Fei is (203) 732-7500.
What is Dr. Xiaolan Fei's medical license number?
Dr. Fei holds Connecticut license 048701.
Which hospitals is Dr. Xiaolan Fei affiliated with?
Dr. Fei practices at Griffin Hospital in Derby, Connecticut.
What medical group is Dr. Xiaolan Fei part of?
Dr. Fei is linked to Griffin Faculty Physicians. Dmand AI links Dr. Fei to 1 more medical group.
Does Dr. Xiaolan Fei accept Medicare?
Yes. CMS data shows Dr. Fei billed Medicare for 67 services in 2024, and Dr. Fei accepts Medicare assignment.
What is Dr. Xiaolan Fei's MIPS score?
Dr. Fei's MIPS final score for performance year 2024 is 0 out of 100, reported as part of a group.
How many Medicare patients does Dr. Xiaolan Fei see?
CMS counts 52 Medicare patients who saw Dr. Fei in 2024, with an average age of 69.
Show 5 more questionsShow fewer questions
What services does Dr. Xiaolan Fei bill to Medicare?
In 2024, Dr. Fei's most billed Medicare services were medicare service (G0101), office visit, established patient (99213) and ultrasound (76830).
Where did Dr. Xiaolan Fei go to medical school?
Dr. Fei graduated from Other in 1993.
What drugs does Dr. Xiaolan Fei prescribe most?
In 2024 Medicare Part D data, Dr. Fei's most prescribed drugs by claims were Estradiol and Clobetasol Propionate.
Has Dr. Xiaolan Fei received payments from drug or device companies?
CMS Open Payments shows $2,657 in general payments to Dr. Fei from 29 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Xiaolan Fei been practicing?
Dr. Fei graduated from medical school in 1993, 33 years ago.
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