Dr. Mahamaya Bhattacharyya, MD
- Medicare services, 2022
- 34
- Part D claims, 2024
- 1,363
- Industry payments
- $15
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 4949 Barnes Hospital Plz, Saint Louis, MO 63110
- Practice phone
- Call (314) 898-1700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Affinia Healthcare
Saint Louis, Missouri
Find Dr. Bhattacharyya'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. Mahamaya Bhattacharyya is a psychiatrist in Saint Louis, Missouri
Dr. Bhattacharyya practices at Affinia Healthcare in Saint Louis, Missouri.
Dr. Bhattacharyya's NPI, 1255719530, was assigned on May 7, 2015. Dr. Bhattacharyya holds Missouri license 2020023480.
- NPI
- 1255719530NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618284423
- NPI enumeration date
- May 7, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 898-1700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mahamaya Bhattacharyya practices at Affinia Healthcare in Saint Louis, Missouri
Dr. Bhattacharyya's primary practice is Affinia Healthcare, at 4949 Barnes Hospital Plz, Saint Louis, MO 63110 in Saint Louis City. The practice phone is (314) 898-1700.
- Affinia Healthcare4949 Barnes Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 898-1700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mahamaya Bhattacharyya is affiliated with 3 sites of care and 2 medical groups
Dr. Bhattacharyya's primary practice is Affinia Healthcare in Saint Louis, Missouri. The medical group on file is Affinia Healthcare. Dmand AI also links Dr. Bhattacharyya to 1 more community health center, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mahamaya Bhattacharyya's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bhattacharyya practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Affinia Healthcare | 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. Mahamaya Bhattacharyya is one of 679 psychiatrists in Missouri
Psychiatry is Dr. Bhattacharyya's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Bhattacharyya's licenses on file in 3 states: Missouri, Minnesota and Virginia.
Specialties and state licenses
- Psychiatry, MissouriPrimary
- Minnesota license
- Student in an organized health care education/training program, Virginia
Psychiatrists near Dr. Bhattacharyya
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. Mahamaya Bhattacharyya billed Medicare for 34 services in 2022
CMS data shows 34 Medicare services from Dr. Bhattacharyya across 1 procedure code in 2022, all of them office visits. Medicare paid $2,090 for them. Every service was in an office.
Dr. Bhattacharyya's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 942022: 3464%
Dr. Bhattacharyya compared with the Missouri median for psychiatrists, 2022
- Dr. Bhattacharyya
- Missouri median
- Medicare services
- 34vs 13374% below
- Part D claims
- 1,249vs 2954.2 times
Medians across 752 psychiatrists in Missouri with Dmand AI profiles that report each measure.
Dr. Bhattacharyya's most billed Medicare procedure codes, 2022
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. Bhattacharyya and other psychiatrists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mahamaya Bhattacharyya's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. Bhattacharyya's median patient age at 50, with 82% women.
Dr. Bhattacharyya's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women82%
- Men18%
Source: Dmand AI Patient Panel Data
Dr. Mahamaya Bhattacharyya wrote 1,363 Medicare Part D claims in 2024
In 2024, Dr. Bhattacharyya wrote 1,363 Medicare Part D claims for 90 patients. 97% of them were for generic drugs. CMS names the drug for 1,249 of them, across 28 drugs with 11 or more claims each, at $131,693 in total drug cost. In 2023, CMS named 1,174 claims across 28 drugs.
Dr. Bhattacharyya's Part D claims by kind of drug, 2024
- Generic1,323 claims97%
- Brand-name and other40 claims3%
Dr. Bhattacharyya'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. Bhattacharyya's Part D claims, 2024
- Antipsychotics, patients 65 and over6%77 of 1,363 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: 1,1742024: 1,2496%
Drugs named by CMS: 28 in 2024, 28 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. Mahamaya Bhattacharyya takes part in Medicare
Dr. Bhattacharyya 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)
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Dr. Mahamaya Bhattacharyya received $15 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Bhattacharyya from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $15.
Companies that paid Dr. Bhattacharyya the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mahamaya Bhattacharyya'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 DataDmand AI Org Hierarchy 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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Mahamaya Bhattacharyya
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. Mahamaya Bhattacharyya's NPI number?
Dr. Mahamaya Bhattacharyya's NPI number is 1255719530. It was assigned on May 7, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Mahamaya Bhattacharyya?
Dr. Mahamaya Bhattacharyya is a psychiatrist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Mahamaya Bhattacharyya practice?
Dr. Bhattacharyya practices at 4949 Barnes Hospital Plz, Saint Louis, MO 63110. Dr. Bhattacharyya's primary practice is Affinia Healthcare in Saint Louis, Missouri. Dmand AI also links Dr. Bhattacharyya to 1 community health center, 1 group practice or clinic and 1 medical group.
What is Dr. Mahamaya Bhattacharyya's office phone number?
The practice phone on file for Dr. Bhattacharyya is (314) 898-1700.
What is Dr. Mahamaya Bhattacharyya's medical license number?
Dr. Bhattacharyya holds Missouri license 2020023480, one of the licenses on file in 3 states.
Which states has Dr. Mahamaya Bhattacharyya been licensed in?
Dmand AI has state licenses on file for Dr. Bhattacharyya in Missouri, Minnesota and Virginia.
What medical group is Dr. Mahamaya Bhattacharyya part of?
Dr. Bhattacharyya is linked to Affinia Healthcare. Dmand AI links Dr. Bhattacharyya to 1 more medical group.
Does Dr. Mahamaya Bhattacharyya accept Medicare?
Yes. CMS data shows Dr. Bhattacharyya billed Medicare for 34 services in 2022, and Dr. Bhattacharyya accepts Medicare assignment.
What services does Dr. Mahamaya Bhattacharyya bill to Medicare?
In 2022, Dr. Bhattacharyya's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. Mahamaya Bhattacharyya prescribe most?
In 2024 Medicare Part D data, Dr. Bhattacharyya's most prescribed drugs by claims were Prazosin HCl, Duloxetine HCl and Hydroxyzine HCl.
Has Dr. Mahamaya Bhattacharyya received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Bhattacharyya from 1 company from 2023 to 2023. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Mahamaya Bhattacharyya been practicing?
Dr. Bhattacharyya graduated from medical school in 2008, 18 years ago.
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