Michael Albert Hattwick, MD
Internal Medicine Physician · Fairfax, VA
Michael Albert Hattwick, MD is an internal medicine physician with a practice address in Fairfax, Virginia, and NPI 1356496988, issued on Jan 24, 2007. Check the license (Virginia 0101028343, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Michael Albert Hattwick
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101028343 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8301 Arlington Blvd, Fairfax, VA 22031
- Phone
- (703) 698-9000
- Enumerated
- Jan 24, 2007
- Record last updated
- Nov 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (703) 876-8911
- Medicare enrollment
- Enrolled (PECOS I20110126000136); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1968
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Also registered at 8301 Arlington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Albert Hattwick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101028343Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
239 Medicare Part D claims for 25 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Synthroid18 claims
- Amlodipine Besylate14 claims
- Lisinopril12 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.
Michael Albert Hattwick among 3,599 internal medicine physician records in Virginia
Michael Albert Hattwick, MD is one of 3,599 internal medicine physician records with a practice address in Virginia. 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, 45% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1968 · median 2003 among the 2,234 with a school on file
- Record last updated2011 · 53% 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 Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
108 internal medicine physician records list a practice address in Fairfax
They are 108 of the 6,584 NPPES records with a practice address in Fairfax, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Fairfax → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Zhengyi ChengFairfax, VA 220311316963085
- Maryann Giordano, MDFairfax, VA 220311326010604
- Anjali Goyal, MDFairfax, VA 220311992713754
- Wei Liu, M.D.Fairfax, VA 220311215957899
- James Long, M.D.Fairfax, VA 220311164485488
- Robin Merlino, M.D.Fairfax, VA 220311194794313
- Roger Noel, MDFairfax, VA 220311649268434
- Joann Pfundstein, M.D.Fairfax, VA 220311912900598
Common questions
What is Michael Albert Hattwick, MD's NPI number?
Michael Albert Hattwick, MD's National Provider Identifier (NPI) is 1356496988, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Albert Hattwick, MD located?
The NPPES record lists a practice address at 8301 Arlington Blvd, Fairfax, VA, 22031. Phone: (703) 698-9000. Providers update this record themselves, so call before visiting.
How can I verify Michael Albert Hattwick, MD's license?
NPPES lists Virginia license number 0101028343, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Albert Hattwick, MD prescribe under Medicare Part D?
In 2024, Michael Albert Hattwick, MD had 239 Medicare Part D claims for 25 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.