Frederick K. Bulacan, M.D.
Internal Medicine Physician · Menomonee Falls, WI
Frederick K. Bulacan, M.D. is an internal medicine physician with a practice address in Menomonee Falls, Wisconsin, and NPI 1699768622, issued on Aug 24, 2005. Check the license (Wisconsin 35691, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Frederick K. Bulacan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35691 WI
Self-reported in NPPES; status is on the state search - Practice location
- W180N8000 Town Hall RD, Menomonee Falls, WI 53051
- Phone
- (262) 255-2500
- Enumerated
- Aug 24, 2005
- Record last updated
- Feb 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040607000509); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at W180N8000 Town Hall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Frederick K. Bulacan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 35691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average internal medicine physician in 2024
11,124 Medicare Part D claims for 716 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 638 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,034 claims
- Amlodipine Besylate432 claims
- Losartan Potassium379 claims
- Lisinopril376 claims
- Pantoprazole Sodium312 claims
- Omeprazole284 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncMenomonee Falls, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frederick K. Bulacan among 2,078 internal medicine physician records in Wisconsin
Frederick K. Bulacan, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1993 · median 2002 among the 1,098 with a school on file
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 internal medicine physician records list a practice address in Menomonee Falls
They are 42 of the 1,003 NPPES records with a practice address in Menomonee Falls, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Menomonee Falls → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Patrick Brody, MDMenomonee Falls, WI 530511497787626
- James Buck, M.D.Menomonee Falls, WI 530511902879182
- Paul Flink, M.D.Menomonee Falls, WI 530511841279585
- Robert Gershan, M.D.Menomonee Falls, WI 530511740253475
- Thomas Gvora, M.D.Menomonee Falls, WI 530511619940723
- Elizabeth Hallerman, M.D.Menomonee Falls, WI 530511144293259
- Daniel Halloran, MDMenomonee Falls, WI 530511558393702
- Charles Holmburg, M.D.Menomonee Falls, WI 530511255304309
Common questions
What is Frederick K. Bulacan, M.D.'s NPI number?
Frederick K. Bulacan, M.D.'s National Provider Identifier (NPI) is 1699768622, issued on Aug 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Frederick K. Bulacan, M.D. located?
The NPPES record lists a practice address at W180N8000 Town Hall RD, Menomonee Falls, WI, 53051. Phone: (262) 255-2500. Providers update this record themselves, so call before visiting.
How can I verify Frederick K. Bulacan, M.D.'s license?
NPPES lists Wisconsin license number 35691, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Frederick K. Bulacan, M.D. prescribe under Medicare Part D?
In 2024, Frederick K. Bulacan, M.D. had 11,124 Medicare Part D claims for 716 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.