Dr. Gary S. Besser, MD
- Medicare services, 2024
- 795
- Medicare patients, 2024
- 283
- Part D claims, 2024
- 864
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Practice address
- 175 Capital Blvd, Rocky Hill, CT 06067
- Practice phone
- Call (860) 678-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Physicians for Women's Health
Rocky Hill, Connecticut
Find Dr. Besser'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. Gary S. Besser is an OB-GYN in Rocky Hill, Connecticut
Dr. Besser practices at Physicians for Women's Health in Rocky Hill, Connecticut.
Dr. Besser's NPI, 1992809982, was assigned on September 11, 2006. Dr. Besser graduated from Universidad del Noreste in 1981. Dr. Besser holds Connecticut license 026837.
- NPI
- 1992809982NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315091998
- NPI enumeration date
- September 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 678-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary S. Besser practices at Physicians for Women's Health in Rocky Hill, Connecticut
Dr. Besser's primary practice is Physicians for Women's Health, at 175 Capital Blvd, Rocky Hill, CT 06067 in Capitol County. The practice phone is (860) 678-3400.
- Physicians for Women's Health175 Capital Blvd, Rocky Hill, CT 06067 · Capitol CountyPhone(860) 678-3400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary S. Besser is affiliated with 4 sites of care and 1 medical group
Dr. Besser's primary practice is Physicians for Women's Health in Rocky Hill, Connecticut. Dr. Besser is also affiliated with Greenwich Hospital. The medical group on file is Physicians for Women. Dmand AI also links Dr. Besser to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gary S. Besser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Besser practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Physicians for Women's Health | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary S. Besser is one of 591 OB-GYNs in Connecticut
Obstetrics and gynecology is Dr. Besser's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Besser is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Besser's licenses on file in 2 states: Connecticut and New York.
Specialties and state licenses
- Obstetrics and gynecology, ConnecticutPrimary
- New York license
Clinical focus
Dmand AI lists hysterectomy, menopause, ovarian cyst, pelvic prolapse, UTI, vaginal infection and vaginal repair among the conditions Dr. Besser treats.
OB-GYNs near Dr. Besser
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. Gary S. Besser billed Medicare for 795 services in 2024
CMS data shows 795 Medicare services from Dr. Besser across 10 procedure codes in 2024, for 283 Medicare patients. Medicare paid $49,482 for them. Every service was in an office.
Dr. Besser's Medicare services by type, 2024
- Other services295
- Imaging284
- Office and hospital visits120
- Tests and treatments96
Dr. Besser compared with the Connecticut median for OB-GYNs, 2024
- Dr. Besser
- Connecticut median
- Medicare services
- 795vs 7011.4 times
- Medicare patients
- 283vs 495.8 times
- Part D claims
- 690vs 5412.8 times
Medians across 541 OB-GYNs in Connecticut with Dmand AI profiles that report each measure.
Dr. Besser'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. Besser and other OB-GYNs in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary S. Besser treated 283 Medicare patients in 2024, average age 74
CMS counts 283 Medicare patients who saw Dr. Besser in 2024. The largest group is 65 to 74, with 149 patients. 75% of them have high cholesterol, and 54% have high blood pressure. 7% are also on Medicaid. Their average risk score is 0.69, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Besser's median patient age at 63, with 98% women.
Dr. Besser's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Besser's Medicare patients, 2024
- High cholesterol75%
- High blood pressure54%
- Arthritis45%
- Anxiety25%
- Osteoporosis23%
- Ischemic heart disease20%
- Mood disorders16%
- Diabetes15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Besser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women98%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary S. Besser wrote 864 Medicare Part D claims in 2024
In 2024, Dr. Besser wrote 864 Medicare Part D claims for 243 patients. 76% of them were for generic drugs. CMS names the drug for 690 of them, across 22 drugs with 11 or more claims each, at $103,132 in total drug cost.
Dr. Besser's Part D claims by kind of drug, 2024
- Generic655 claims76%
- Brand-name209 claims24%
Dr. Besser'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. Besser's Part D claims, 2024
- Antibiotics7%60 of 864 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Gary S. Besser scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Besser for performance year 2024, reported as part of a group. Dr. Besser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Besser's MIPS scores, performance year 2024
- 89of 100Final score
- 85.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
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. Gary S. Besser received $2,224 in industry payments from 2024 to 2025
CMS Open Payments shows 100 general payments to Dr. Besser from 15 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $475.
General payments to Dr. Besser by program year, 2024 to 2025
Companies that paid Dr. Besser the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary S. Besser has 7 awards and honors on record
Dmand AI lists 7 awards for Dr. Besser, most recently Greenwich Magazine in 2014.
Awards and honors for Dr. Besser
- 2014
- Greenwich Magazine
- Top Doctors: New York Metro Area
- 2012
- Checkbook Top Doc
- 2010
- New York Magazine: Top Doctors
- 2008
- New Canaan-Darien Magazine
- Westport Magazine
Source: Dmand AI Professional Profile Data
Dr. Gary S. Besser graduated from Universidad del Noreste
Dr. Besser graduated from Universidad del Noreste in 1981. Dr. Besser is a member of American College of Obstetricians and Gynecologists and SLS.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Gary S. Besser accepts plans from 14 insurance carriers
Dr. Besser is in network with 14 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Besser accepts, by number of carriers
- PPO9
- HMO7
- Medicare6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Gary S. Besser'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Gary S. Besser
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. Gary S. Besser's NPI number?
Dr. Gary S. Besser's NPI number is 1992809982. It was assigned on September 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary S. Besser?
Dr. Gary S. Besser is an OB-GYN in Rocky Hill, Connecticut. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Gary S. Besser practice?
Dr. Besser practices at 175 Capital Blvd, Rocky Hill, CT 06067. Dr. Besser's primary practice is Physicians for Women's Health in Rocky Hill, Connecticut. Dmand AI also links Dr. Besser to 1 hospital and 1 group practice or clinic.
What is Dr. Gary S. Besser's office phone number?
The practice phone on file for Dr. Besser is (860) 678-3400.
What is Dr. Gary S. Besser's medical license number?
Dr. Besser holds Connecticut license 026837, one of the licenses on file in 2 states.
Which states has Dr. Gary S. Besser been licensed in?
Dmand AI has state licenses on file for Dr. Besser in Connecticut (1985 to 2026) and New York (1982 to 2026).
Which hospitals is Dr. Gary S. Besser affiliated with?
Dr. Besser is affiliated with Greenwich Hospital. Dmand AI links Dr. Besser to 1 more hospital.
What medical group is Dr. Gary S. Besser part of?
Dr. Besser is linked to Physicians for Women.
Does Dr. Gary S. Besser accept Medicare?
Yes. CMS data shows Dr. Besser billed Medicare for 795 services in 2024, and Dr. Besser accepts Medicare assignment.
What is Dr. Gary S. Besser's MIPS score?
Dr. Besser's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Gary S. Besser see?
CMS counts 283 Medicare patients who saw Dr. Besser in 2024, with an average age of 74.
Is Dr. Gary S. Besser board certified?
Yes. Dr. Besser is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
What services does Dr. Gary S. Besser bill to Medicare?
In 2024, Dr. Besser's most billed Medicare services were medicare temporary code (Q0091), medicare service (G0101) and radiation oncology (77063).
Where did Dr. Gary S. Besser go to medical school?
Dr. Besser graduated from Universidad del Noreste in 1981.
What drugs does Dr. Gary S. Besser prescribe most?
In 2024 Medicare Part D data, Dr. Besser's most prescribed drugs by claims were Estradiol, Premarin and Yuvafem.
Has Dr. Gary S. Besser received payments from drug or device companies?
CMS Open Payments shows $2,224 in general payments to Dr. Besser from 15 companies from 2024 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Gary S. Besser been practicing?
Dr. Besser graduated from medical school in 1981, 45 years ago.
What insurance does Dr. Gary S. Besser accept?
Dr. Besser is in network with 14 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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