Dr. Ling Fang Guo, DO
- Medicare services, 2024
- 25
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 282
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 2560 Dixwell Avenue, Hamden, CT 06514
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prohealth Physicians of Hamden - HOPD
Acute Care Hospital outpatient department · Hamden, Connecticut
Find Dr. Guo's professional email, personal email and mobile number
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Dr. Ling Fang Guo is an internist in Hamden, Connecticut
Dr. Guo practices at Prohealth Physicians of Hamden - HOPD in Hamden, Connecticut.
Dr. Guo's NPI, 1164059317, was assigned on March 26, 2020. Dr. Guo holds Connecticut license 77683.
- NPI
- 1164059317NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648672410
- NPI enumeration date
- March 26, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ling Fang Guo practices at Prohealth Physicians of Hamden - HOPD in Hamden, Connecticut
Dr. Guo's primary practice is Prohealth Physicians of Hamden - HOPD, at 2560 Dixwell Avenue, Hamden, CT 06514.
- Prohealth Physicians of Hamden - HOPD2560 Dixwell Avenue, Hamden, CT 06514
Source: Dmand AI Affiliation Data
Dr. Ling Fang Guo is affiliated with 5 sites of care and 1 medical group
Dr. Guo's primary practice is Prohealth Physicians of Hamden - HOPD in Hamden, Connecticut. Dr. Guo is also affiliated with Yale New Haven Hospital. The medical group on file is ProHealth Physicians. Dmand AI also links Dr. Guo to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account. Dr. Guo's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ling Fang Guo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guo practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prohealth Physicians of Hamden - HOPD | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ling Fang Guo is one of 2,189 internists in Connecticut
Internal medicine is Dr. Guo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Guo is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Guo
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. Ling Fang Guo billed Medicare for 25 services in 2024
CMS data shows 25 Medicare services from Dr. Guo across 2 procedure codes in 2024, all of them office visits, for 33 Medicare patients. Medicare paid $2,221 for them. Every service was in an office.
Dr. Guo compared with the Connecticut median for internists, 2024
- Dr. Guo
- Connecticut median
- Medicare services
- 25vs 39094% below
- Medicare patients
- 33vs 17281% below
- Part D claims
- 26vs 34392% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Guo'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ling Fang Guo treated 33 Medicare patients in 2024, average age 76
CMS counts 33 Medicare patients who saw Dr. Guo in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Guo's median patient age at 54, with 74% women.
Dr. Guo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Guo's Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis42%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women74%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ling Fang Guo wrote 282 Medicare Part D claims in 2024
In 2024, Dr. Guo wrote 282 Medicare Part D claims for 92 patients. 83% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $8,010 in total drug cost. In 2023, CMS named 131 claims across 7 drugs.
Dr. Guo's Part D claims by kind of drug, 2024
- Generic235 claims83%
- Brand-name and other47 claims17%
Dr. Guo'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. Guo's Part D claims, 2024
- Antibiotics11%31 of 282 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: 1312024: 2680%
Drugs named by CMS: 2 in 2024, 7 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. Ling Fang Guo offers telehealth to Medicare patients
Dr. Guo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Guo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Ling Fang Guo'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 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) |
| 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. Ling Fang Guo
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. Ling Fang Guo's NPI number?
Dr. Ling Fang Guo's NPI number is 1164059317. It was assigned on March 26, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Ling Fang Guo?
Dr. Ling Fang Guo is an internist in Hamden, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ling Fang Guo practice?
Dr. Guo practices at 2560 Dixwell Avenue, Hamden, CT 06514. Dr. Guo's primary practice is Prohealth Physicians of Hamden - HOPD in Hamden, Connecticut. Dmand AI also links Dr. Guo to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Dr. Ling Fang Guo's medical license number?
Dr. Guo holds Connecticut license 77683.
Which hospitals is Dr. Ling Fang Guo affiliated with?
Dr. Guo is affiliated with Yale New Haven Hospital. Dmand AI links Dr. Guo to 1 more hospital.
What medical group is Dr. Ling Fang Guo part of?
Dr. Guo is linked to ProHealth Physicians.
Does Dr. Ling Fang Guo accept Medicare?
Yes. CMS data shows Dr. Guo billed Medicare for 25 services in 2024, and Dr. Guo accepts Medicare assignment.
Does Dr. Ling Fang Guo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Guo as offering telehealth services.
How many Medicare patients does Dr. Ling Fang Guo see?
CMS counts 33 Medicare patients who saw Dr. Guo in 2024, with an average age of 76.
What services does Dr. Ling Fang Guo bill to Medicare?
In 2024, Dr. Guo's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Dr. Ling Fang Guo prescribe most?
In 2024 Medicare Part D data, Dr. Guo's most prescribed drugs by claims were Albuterol Sulfate Hfa and Eliquis.
How long has Dr. Ling Fang Guo been practicing?
Dr. Guo graduated from medical school in 2021, 5 years ago.
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