Dr. Rebecca C. Flanagan, DO
- Medicare services, 2024
- 18
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 380
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 1777 West Yosemite Ave, Manteca, CA 95337
- Practice phone
- Call (209) 825-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Flanagan'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. Rebecca C. Flanagan is a hospitalist in Manteca, California
Dr. Flanagan practices at Manteca Medical Center in Manteca, California, part of Kaiser Permanente.
Dr. Flanagan's NPI, 1326482357, was assigned on April 21, 2013. Dr. Flanagan graduated from WesternU College of Osteopathic Medicine of the Pacific in 2013. Dr. Flanagan holds California license 20A13864.
- NPI
- 1326482357NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890073571
- NPI enumeration date
- April 21, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 825-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rebecca C. Flanagan practices at Manteca Medical Center in Manteca, California
Dr. Flanagan's primary practice is Manteca Medical Center, at 1777 West Yosemite Ave, Manteca, CA 95337 in San Joaquin County. The practice phone is (209) 825-3700.
- Manteca Medical Center1777 West Yosemite Ave, Manteca, CA 95337 · San Joaquin CountyPhone(209) 825-3700
Source: Dmand AI Affiliation Data
Dr. Rebecca C. Flanagan is affiliated with 2 sites of care and 1 medical group
Dr. Flanagan's primary practice is Manteca Medical Center in Manteca, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Flanagan to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rebecca C. Flanagan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flanagan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Manteca Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rebecca C. Flanagan is one of 3,186 hospitalists in California
Hospitalist is Dr. Flanagan's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Flanagan is board certified in internal medicine by the AOA Board of Internal Medicine. Dmand AI has Dr. Flanagan's licenses on file in 2 states: California and Washington.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
- Washington license
Hospitalists near Dr. Flanagan
Counts of hospitalists 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. Rebecca C. Flanagan billed Medicare for 18 services in 2024
CMS data shows 18 Medicare services from Dr. Flanagan across 1 procedure code in 2024, for 11 Medicare patients. Medicare paid $1,109 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Flanagan's Medicare services by type, 2019 to 2024
- 2019
- 2024
- Office and hospital visits
- 2019: 192024: 185%
Dr. Flanagan compared with the California median for hospitalists, 2024
- Dr. Flanagan
- California median
- Medicare services
- 18vs 43096% below
- Medicare patients
- 11vs 20195% below
- Part D claims
- 159vs 692.3 times
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Flanagan'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. Rebecca C. Flanagan treated 11 Medicare patients in 2024, average age 70
CMS counts 11 Medicare patients who saw Dr. Flanagan in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.78, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Flanagan's median patient age at 72, with 51% women.
Dr. Flanagan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Flanagan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rebecca C. Flanagan wrote 380 Medicare Part D claims in 2024
In 2024, Dr. Flanagan wrote 380 Medicare Part D claims for 146 patients. 80% of them were for generic drugs. CMS names the drug for 159 of them, across 11 drugs with 11 or more claims each, at $6,237 in total drug cost. In 2023, CMS named 154 claims across 10 drugs.
Dr. Flanagan's Part D claims by kind of drug, 2024
- Generic305 claims80%
- Brand-name and other75 claims20%
Dr. Flanagan'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. Flanagan's Part D claims, 2024
- Opioids4%16 of 380 claims
- Antibiotics14%53 of 380 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: 1542024: 1593%
Drugs named by CMS: 11 in 2024, 10 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
How Dr. Rebecca C. Flanagan takes part in Medicare
Dr. Flanagan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Rebecca C. Flanagan graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Flanagan graduated from WesternU College of Osteopathic Medicine of the Pacific in 2013.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Rebecca C. Flanagan accepts plans from 2 insurance carriers
Dr. Flanagan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Flanagan accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Rebecca C. Flanagan'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 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) |
| 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. Rebecca C. Flanagan
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. Rebecca C. Flanagan's NPI number?
Dr. Rebecca C. Flanagan's NPI number is 1326482357. It was assigned on April 21, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Rebecca C. Flanagan?
Dr. Rebecca C. Flanagan is a hospitalist in Manteca, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Rebecca C. Flanagan practice?
Dr. Flanagan practices at 1777 West Yosemite Ave, Manteca, CA 95337. Dr. Flanagan's primary practice is Manteca Medical Center in Manteca, California, part of Kaiser Permanente. Dmand AI also links Dr. Flanagan to 1 group practice or clinic.
What is Dr. Rebecca C. Flanagan's office phone number?
The practice phone on file for Dr. Flanagan is (209) 825-3700.
What is Dr. Rebecca C. Flanagan's medical license number?
Dr. Flanagan holds California license 20A13864, one of the licenses on file in 2 states.
Which states has Dr. Rebecca C. Flanagan been licensed in?
Dmand AI has state licenses on file for Dr. Flanagan in California (2015 to 2026) and Washington (2016).
Which hospitals is Dr. Rebecca C. Flanagan affiliated with?
Dr. Flanagan practices at Manteca Medical Center in Manteca, California.
What medical group is Dr. Rebecca C. Flanagan part of?
Dr. Flanagan is linked to The Permanente Medical Group, Inc.
Does Dr. Rebecca C. Flanagan accept Medicare?
Yes. CMS data shows Dr. Flanagan billed Medicare for 18 services in 2024, and Dr. Flanagan accepts Medicare assignment.
How many Medicare patients does Dr. Rebecca C. Flanagan see?
CMS counts 11 Medicare patients who saw Dr. Flanagan in 2024, with an average age of 70.
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Is Dr. Rebecca C. Flanagan board certified?
Yes. Dr. Flanagan is board certified in internal medicine by the AOA Board of Internal Medicine.
What services does Dr. Rebecca C. Flanagan bill to Medicare?
In 2024, Dr. Flanagan's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Rebecca C. Flanagan go to medical school?
Dr. Flanagan graduated from WesternU College of Osteopathic Medicine of the Pacific in 2013.
What drugs does Dr. Rebecca C. Flanagan prescribe most?
In 2024 Medicare Part D data, Dr. Flanagan's most prescribed drugs by claims were Furosemide, Pantoprazole Sodium and Amoxicillin-Clavulanate Potass.
How long has Dr. Rebecca C. Flanagan been practicing?
Dr. Flanagan graduated from medical school in 2013, 13 years ago.
What insurance does Dr. Rebecca C. Flanagan accept?
Dr. Flanagan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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