Alyssa Flanagan Cook, MD
Internal Medicine Physician · Baltimore, MD
Alyssa Flanagan Cook, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1417136276, issued on Oct 29, 2007. Check the license (Maryland D0076411, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Alyssa Flanagan Cook
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- D0076411 MD
036.123141 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1000 E. Eager St, Baltimore, MD 21202
- Phone
- (410) 522-9800
- Enumerated
- Oct 29, 2007
- Record last updated
- Mar 20, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (410) 367-2714
- Medicare enrollment
- Enrolled (PECOS I20161129002179); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Verify Alyssa Flanagan Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0076411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average internal medicine physician in 2024
712 Medicare Part D claims for 76 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 25 claims were for opioids.
Most prescribed
- Amlodipine Besylate43 claims
- Atorvastatin Calcium41 claims
- Lisinopril31 claims
- Gabapentin26 claims
- Fluticasone Propionate23 claims
- Oxycodone Hcl21 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
- Baltimore Medical System, Inc.Baltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alyssa Flanagan Cook among 3,904 internal medicine physician records in Maryland
Alyssa Flanagan Cook, MD is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2006 · median 2003 among the 2,445 with a school on file
- Record last updated2017 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pratima Bose, M.D.Baltimore, MD 212021376599977
- Majid Cina, MDBaltimore, MD 212021790767531
- Gary Friedman, MDBaltimore, MD 212021023016680
- Jeffrey Gaber, M.D.Baltimore, MD 212021386611853
- Albert Han, MDBaltimore, MD 212021538141106
- Tara Hebert, M.D.Baltimore, MD 212021225089337
- Nilesh Kalyanaraman, M.D.Baltimore, MD 212021639140239
- Colleen Leavitt, MDBaltimore, MD 212021528042959
Common questions
What is Alyssa Flanagan Cook, MD's NPI number?
Alyssa Flanagan Cook, MD's National Provider Identifier (NPI) is 1417136276, issued on Oct 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Flanagan Cook, MD located?
The NPPES record lists a practice address at 1000 E. Eager St, Baltimore, MD, 21202. Phone: (410) 522-9800. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Flanagan Cook, MD's license?
NPPES lists Maryland license number D0076411, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alyssa Flanagan Cook, MD prescribe under Medicare Part D?
In 2024, Alyssa Flanagan Cook, MD had 712 Medicare Part D claims for 76 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.