Dr. David M. Zwerdling, MD
- Medicare services, 2024
- 327
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 246
- Medical group
- 1
- State license
- 1
- Practice address
- 200 W 57th St, New York, NY 10019
- Practice phone
- Call (212) 604-1800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bislr Medical Groups of Mount Sinai
New York, New York
Find Dr. Zwerdling'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. David M. Zwerdling is a psychiatrist in New York, New York
Dr. Zwerdling practices at Bislr Medical Groups of Mount Sinai in New York, New York.
Dr. Zwerdling's NPI, 1679679609, was assigned on September 16, 2006. Dr. Zwerdling graduated from Yale University School of Medicine in 1975. Dr. Zwerdling holds Maryland license D0022742.
- NPI
- 1679679609NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648426601
- NPI enumeration date
- September 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 604-1800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David M. Zwerdling practices at Bislr Medical Groups of Mount Sinai in New York, New York
Dr. Zwerdling's primary practice is Bislr Medical Groups of Mount Sinai, at 200 W 57th St, New York, NY 10019 in New York County. The practice phone is (212) 604-1800.
- Bislr Medical Groups of Mount Sinai200 W 57th St, New York, NY 10019 · New York CountyPhone(212) 604-1800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David M. Zwerdling is affiliated with 1 site of care and 1 medical group
Dr. Zwerdling's primary practice is Bislr Medical Groups of Mount Sinai in New York, New York. The medical group on file is Adult Behavioral Health Program.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David M. Zwerdling's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zwerdling practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bislr Medical Groups of Mount Sinai | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David M. Zwerdling is one of 4,448 psychiatrists in New York
Psychiatry is Dr. Zwerdling's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Zwerdling is licensed in Maryland.
Specialties and state licenses
- Psychiatry, MarylandPrimary
Psychiatrists near Dr. Zwerdling
Counts of psychiatrists 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. David M. Zwerdling billed Medicare for 327 services in 2024
CMS data shows 327 Medicare services from Dr. Zwerdling across 2 procedure codes in 2024, for 19 Medicare patients. Medicare paid $30,952 for them. Every service was in an office.
Dr. Zwerdling's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2242024: 2183%
- Tests and treatments
- 2023: 1012024: 1098%
Dr. Zwerdling compared with the New York median for psychiatrists, 2024
- Dr. Zwerdling
- New York median
- Medicare services
- 327vs 1422.3 times
- Medicare patients
- 19vs 4154% below
- Part D claims
- 176vs 12442% above
Medians across 5,024 psychiatrists in New York with Dmand AI profiles that report each measure.
Dr. Zwerdling'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.
Need commercial claims for Dr. Zwerdling?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zwerdling and other psychiatrists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David M. Zwerdling treated 19 Medicare patients in 2024, average age 71
CMS counts 19 Medicare patients who saw Dr. Zwerdling in 2024. The largest group is 85 and over, with 0 patients. 75% of them have anxiety, and 74% have high cholesterol. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zwerdling's median patient age at 31, with 40% women.
Dr. Zwerdling's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Zwerdling's Medicare patients, 2024
- Anxiety75%
- High cholesterol74%
- Mood disorders74%
- Depression68%
- High blood pressure68%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zwerdling's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
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. David M. Zwerdling wrote 246 Medicare Part D claims in 2024
In 2024, Dr. Zwerdling wrote 246 Medicare Part D claims for 22 patients. 100% of them were for generic drugs. CMS names the drug for 176 of them, across 10 drugs with 11 or more claims each, at $8,380 in total drug cost. In 2023, CMS named 139 claims across 8 drugs.
Dr. Zwerdling'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. Zwerdling's Part D claims, 2024
- Antipsychotics, patients 65 and over6%15 of 246 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: 1392024: 17627%
Drugs named by CMS: 10 in 2024, 8 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. David M. Zwerdling takes part in Medicare
Dr. Zwerdling 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. David M. Zwerdling graduated from Yale University School of Medicine
Dr. Zwerdling graduated from Yale University School of Medicine in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David M. Zwerdling'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) |
| 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 |
| 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. David M. Zwerdling
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. David M. Zwerdling's NPI number?
Dr. David M. Zwerdling's NPI number is 1679679609. It was assigned on September 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David M. Zwerdling?
Dr. David M. Zwerdling is a psychiatrist in New York, New York. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. David M. Zwerdling practice?
Dr. Zwerdling practices at 200 W 57th St, New York, NY 10019. Dr. Zwerdling's primary practice is Bislr Medical Groups of Mount Sinai in New York, New York.
What is Dr. David M. Zwerdling's office phone number?
The practice phone on file for Dr. Zwerdling is (212) 604-1800.
What is Dr. David M. Zwerdling's medical license number?
Dr. Zwerdling holds Maryland license D0022742.
What medical group is Dr. David M. Zwerdling part of?
Dr. Zwerdling is linked to Adult Behavioral Health Program.
Does Dr. David M. Zwerdling accept Medicare?
Yes. CMS data shows Dr. Zwerdling billed Medicare for 327 services in 2024, and Dr. Zwerdling accepts Medicare assignment.
How many Medicare patients does Dr. David M. Zwerdling see?
CMS counts 19 Medicare patients who saw Dr. Zwerdling in 2024, with an average age of 71.
What services does Dr. David M. Zwerdling bill to Medicare?
In 2024, Dr. Zwerdling's most billed Medicare services were office visit, established patient (99214) and psychiatric service (90833).
Where did Dr. David M. Zwerdling go to medical school?
Dr. Zwerdling graduated from Yale University School of Medicine in 1975.
What drugs does Dr. David M. Zwerdling prescribe most?
In 2024 Medicare Part D data, Dr. Zwerdling's most prescribed drugs by claims were Bupropion XL, Venlafaxine HCl ER and Mirtazapine.
How long has Dr. David M. Zwerdling been practicing?
Dr. Zwerdling graduated from medical school in 1975, 51 years ago.
Selling to psychiatry practices?
See psychiatrists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card