Dr. Michael Allen Westerman, MD
- Medicare services, 2024
- 2,632
- Medicare patients, 2024
- 711
- Part D claims, 2024
- 1,399
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 4650 Taylor Rd, Bethesda, MD 20889
- Practice phone
- Call (301) 295-2123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bethesda Main Phcy
Bethesda, Maryland
Find Dr. Westerman's professional email, personal email and mobile number
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Dr. Michael Allen Westerman is a geriatric medicine (internal medicine) physician in Bethesda, Maryland
Dr. Westerman practices at Bethesda Main Phcy in Bethesda, Maryland.
Dr. Westerman's NPI, 1013929181, was assigned on August 13, 2006. Dr. Westerman graduated from University of Rochester School of Medicine and Dentistry in 1996. Dr. Westerman holds Maryland license D52451.
- NPI
- 1013929181NPI Registry (opens in a new tab)
- NPI enumeration date
- August 13, 2006
- NPI status
- Active
- Practice phone
- (301) 295-2123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michael Allen Westerman practices at Bethesda Main Phcy in Bethesda, Maryland
Dr. Westerman's primary practice is Bethesda Main Phcy, at 4650 Taylor Rd, Bethesda, MD 20889 in Montgomery County. The practice phone is (301) 295-2123.
- Bethesda Main Phcy4650 Taylor Rd, Bethesda, MD 20889 · Montgomery CountyPhone(301) 295-2123
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Allen Westerman is affiliated with 3 sites of care and 2 medical groups
Dr. Westerman's primary practice is Bethesda Main Phcy in Bethesda, Maryland. Dr. Westerman is also affiliated with VHC Health. The medical group on file is Erickson Health Medical Group. Dmand AI also links Dr. Westerman to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael Allen Westerman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Westerman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bethesda Main Phcy | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Allen Westerman is one of 117 geriatric medicine (internal medicine) physicians in Maryland
Geriatric medicine is Dr. Westerman's primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Dmand AI has Dr. Westerman's licenses on file in 2 states: Maryland and Virginia.
Specialties and state licenses
- Geriatric medicine (internal medicine), MarylandPrimary
- Hospice and palliative medicine (internal medicine), Virginia
Geriatric medicine (internal medicine) physicians near Dr. Westerman
Counts of geriatric medicine (internal medicine) physicians 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. Michael Allen Westerman billed Medicare for 2,632 services in 2024
CMS data shows 2,632 Medicare services from Dr. Westerman across 19 procedure codes in 2024, for 711 Medicare patients. Medicare paid $156,798 for them.
Dr. Westerman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1072024: 884726%
- Office and hospital visits
- 2023: 3362024: 858155%
- Tests and treatments
- 2023: 02024: 790
- Lab and pathology
- 2023: 02024: 100
Where Dr. Westerman's Medicare services took place, 2024
- In an office2,620100%
- In a facility120%
Dr. Westerman compared with the Maryland median for geriatric medicine (internal medicine) physicians, 2024
- Dr. Westerman
- Maryland median
- Medicare services
- 2,632vs 6194.3 times
- Medicare patients
- 711vs 1764.0 times
- Part D claims
- 867vs 53064% above
Medians across 116 geriatric medicine (internal medicine) physicians in Maryland with Dmand AI profiles that report each measure.
Dr. Westerman'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Westerman and other geriatric medicine (internal medicine) physicians in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Allen Westerman treated 711 Medicare patients in 2024, average age 86
CMS counts 711 Medicare patients who saw Dr. Westerman in 2024. The largest group is 85 and over, with 425 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Westerman's median patient age at 84, with 40% women.
Dr. Westerman's Medicare patients by age, 2024
Dr. Westerman's Medicare patients by sex, 2024
- Women46565%
- Men24635%
Chronic conditions among Dr. Westerman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis70%
- Chronic kidney disease61%
- Mood disorders33%
- Anxiety32%
- Osteoporosis32%
- Atrial fibrillation28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Westerman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 84
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Allen Westerman wrote 1,399 Medicare Part D claims in 2024
In 2024, Dr. Westerman wrote 1,399 Medicare Part D claims for 248 patients. 88% of them were for generic drugs. CMS names the drug for 867 of them, across 33 drugs with 11 or more claims each, at $32,471 in total drug cost. In 2021, CMS named 34 claims across 2 drugs.
Dr. Westerman's Part D claims by kind of drug, 2024
- Generic1,225 claims88%
- Brand-name and other174 claims12%
Dr. Westerman'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. Westerman's Part D claims, 2024
- Opioids1%18 of 1,399 claims
- Antibiotics5%67 of 1,399 claims
- Antipsychotics, patients 65 and over1%12 of 1,399 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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 342024: 8672450%
Drugs named by CMS: 33 in 2024, 2 in 2021.
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
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Dr. Michael Allen Westerman graduated from University of Rochester School of Medicine and Dentistry
Dr. Westerman graduated from University of Rochester School of Medicine and Dentistry in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Allen Westerman'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Michael Allen Westerman
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. Michael Allen Westerman's NPI number?
Dr. Michael Allen Westerman's NPI number is 1013929181. It was assigned on August 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Allen Westerman?
Dr. Michael Allen Westerman is a geriatric medicine (internal medicine) physician in Bethesda, Maryland. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).
Where does Dr. Michael Allen Westerman practice?
Dr. Westerman practices at 4650 Taylor Rd, Bethesda, MD 20889. Dr. Westerman's primary practice is Bethesda Main Phcy in Bethesda, Maryland. Dmand AI also links Dr. Westerman to 1 group practice or clinic and 1 medical group.
What is Dr. Michael Allen Westerman's office phone number?
The practice phone on file for Dr. Westerman is (301) 295-2123.
What is Dr. Michael Allen Westerman's medical license number?
Dr. Westerman holds Maryland license D52451, one of the licenses on file in 2 states.
Which states has Dr. Michael Allen Westerman been licensed in?
Dmand AI has state licenses on file for Dr. Westerman in Maryland and Virginia.
Which hospitals is Dr. Michael Allen Westerman affiliated with?
Dr. Westerman is affiliated with VHC Health.
What medical group is Dr. Michael Allen Westerman part of?
Dr. Westerman is linked to Erickson Health Medical Group. Dmand AI links Dr. Westerman to 1 more medical group.
Does Dr. Michael Allen Westerman accept Medicare?
Yes. CMS data shows Dr. Westerman billed Medicare for 2,632 services in 2024.
How many Medicare patients does Dr. Michael Allen Westerman see?
CMS counts 711 Medicare patients who saw Dr. Westerman in 2024, with an average age of 86.
Show 4 more questionsShow fewer questions
What services does Dr. Michael Allen Westerman bill to Medicare?
In 2024, Dr. Westerman's most billed Medicare services were medicare service (G2211), vaccine or vaccine administration (90480) and medical service (91320).
Where did Dr. Michael Allen Westerman go to medical school?
Dr. Westerman graduated from University of Rochester School of Medicine and Dentistry in 1996.
What drugs does Dr. Michael Allen Westerman prescribe most?
In 2024 Medicare Part D data, Dr. Westerman's most prescribed drugs by claims were Gabapentin, Levothyroxine Sodium and Atorvastatin Calcium.
How long has Dr. Michael Allen Westerman been practicing?
Dr. Westerman graduated from medical school in 1996, 30 years ago.
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