Kathryn J Drennan, MD - Medicare Obstetrics/gynecology in Rochester, NY

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Kathryn J Drennan, MD is a medicare enrolled "Obstetrics & Gynecology - Maternal & Fetal Medicine" physician in Rochester, New York. She went to University Of Washington School Of Medicine and graduated in 2002 and has 22 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Strong Obstetrics-gynecology Group and her current practice location is 500 Red Creek Dr Ste 210, Rochester, New York. You can reach out to her office (for appointments etc.) via phone at (585) 487-3350.

Kathryn J Drennan is licensed to practice in New York (license number 286577) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1770792251.

Contact Information

Kathryn J Drennan, MD
500 Red Creek Dr Ste 210,
Rochester, NY 14623-4285
(585) 487-3350
(585) 334-0699

Map and Direction




Physician's Profile

Full NameKathryn J Drennan
GenderFemale
SpecialityObstetrics/gynecology
Experience22 Years
Location500 Red Creek Dr Ste 210, Rochester, New York
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Kathryn J Drennan attended and graduated from University Of Washington School Of Medicine in 2002
  NPI Data:
  • NPI Number: 1770792251
  • Provider Enumeration Date: 05/22/2007
  • Last Update Date: 06/29/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 8022162700
  • Enrollment ID: I20170119000222

Medical Identifiers

Medical identifiers for Kathryn J Drennan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770792251NPI-NPPES
04637963MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 286577 (New York)Secondary
207VM0101XObstetrics & Gynecology - Maternal & Fetal Medicine 286577 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Strong Memorial HospitalRochester, NYHospital
Highland HospitalRochester, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Strong Obstetrics-gynecology Group286038292659

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Kathryn J Drennan allows following entities to bill medicare on her behalf.
Entity NameUniversity Of Rochester
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710226824
PECOS PAC ID: 5799699088
Enrollment ID: O20031201000019
Entity NameStrong Obstetrics-gynecology Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184668311
PECOS PAC ID: 2860382926
Enrollment ID: O20040319001257
Entity NameOb Perinatology Group Univ Of Rochester
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659315869
PECOS PAC ID: 9537134721
Enrollment ID: O20040831001141
Entity NameHighlands Womens Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861836652
PECOS PAC ID: 8426283623
Enrollment ID: O20131024000135

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Kathryn J Drennan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Kathryn J Drennan, MD
500 Red Creek Drive, Suite 210,
Rochester, NY 14623-4285

Ph: (585) 487-3350		Kathryn J Drennan, MD
500 Red Creek Dr Ste 210,
Rochester, NY 14623-4285

Ph: (585) 487-3350

Reviews and Comments


Obstetrics & Gynecology Doctors in Rochester, NY

Tamar Inez Hunse, M.D.
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Phone: 585-225-6680    Fax: 585-225-3472
Dr. Alexis Platek, MD
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Practice Location: 601 Elmwood Ave Dept Of, Rochester, NY 14642
Phone: 585-275-9042    
Dr. Karen Duguid, M.D.
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Phone: 585-473-2846    Fax: 585-473-3098
Dr. Kathleen Robischon, M.D.
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Phone: 585-232-3210    Fax: 585-232-4657
Carl L. Christie, DO
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Practice Location: 1415 Portland Ave Ste 220, Rochester, NY 14621
Phone: 585-922-4496    Fax: 585-922-4442
Derek Jon Tenhoopen, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 3101 Ridge Rd W, Building D, Rochester, NY 14626
Phone: 585-225-1580    Fax: 585-225-2040
Dr. Katina Marie Foster, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 990 South Ave, Suite 104, Rochester, NY 14620
Phone: 585-256-3000    Fax: 585-256-3045

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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