Are you Jonathan L. Held, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 190 Groton Rd, Suite 180, Ayer, MA 01432
About Dr. Held
Jonathan L. Held, M.D. is a healthcare provider in Ayer, MA specializing in dermatology. Jonathan trained at Geisel School of Medicine at Dartmouth, graduating in 1985. Jonathan is also listed as specializing in specialist. According to Medicare claims data, Jonathan cared for 1,669 Medicare patients across 3,407 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth. This provider record is associated with NPI 1699767608.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (978) 772-7221
- Email not available
Practice Locations
190 GROTON RD SUITE 180
Ayer, MA 01432
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Acne and follicular disorders
- Folliculitis
- Hidradenitis suppurativa
Eczema and inflammatory skin disease
- Seborrheic dermatitis
Infections and infestations
- Cellulitis
- Foot fungus
- Herpes simplex of the skin
- Molluscum contagiosum
- Scabies
- Shingles
- Warts
Pigment, growths, and benign lesions
- Melasma
- Seborrheic keratosis
Skin cancer
- Basal cell skin cancer
- Squamous cell skin cancer
Urticaria, itch, and vascular
- Chronic itching
- Excessive sweating
- Hives
Autoimmune and connective tissue
- Vitiligo
Infections
- Ringworm
Rashes & allergy
- Poison Ivy
Skin growths
- Keloid scars
Procedures & services
Most searched procedures
- Botox
- Chemical peel
- Laser hair removal
- Microneedling
- Mole removal
- Skin cancer screening
Diagnostic procedures
- Patch testing
- Skin biopsy
Lesion treatment
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
- Incision and drainage of an abscess
Medical dermatology treatment
- Botulinum toxin treatment for excessive sweating
Cosmetic
- Acne scar treatment
- Dermal fillers
- Sclerotherapy
- Tattoo removal
Cosmetic and minor surgery
- Sun spot removal
Cosmetic dermatology
- Laser skin resurfacing
- Laser treatment of vascular lesions
Diagnostic
- Mole mapping
- Skin scraping test
General dermatology
- Biologic drug management
- Cortisone shot for cysts
Infections
- Wart Removal
Medical dermatology
- Light Therapy
Nails & hair
- Ingrown toenail removal
Skin cancer surgery
- Mohs surgery
Skin growths
- Cyst Removal
- Lipoma removal
- Skin Tag Removal
- Steroid injection for keloids
Procedures Most Often Billed to Medicare
3,407 services · 1,669 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
1,482 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
379 | As often as other peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
187 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
86 | As often as other peers in Dermatology |
| Destruction of growth of eyelid margin, 1.0 cm or less | Procedure | 67850 |
76 | Too few peers to compare |
| Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 2.1-3.0 cm | Procedure | 17283 |
41 | Too few peers to compare |
| Destruction of cancer skin growth of trunk, arms, or legs, more than 4.0 cm | Procedure | 17266 |
34 | Too few peers to compare |
| Destruction of cancer skin growth of trunk, arms, or legs, 3.1-4.0 cm | Procedure | 17264 |
33 | Too few peers to compare |
| Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 3.1-4.0 cm | Procedure | 17284 |
29 | Too few peers to compare |
| Destruction of skin growth, 15 or more growths | Procedure | 17111 |
24 | As often as other peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Geisel School of Medicine at Dartmouth 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Geisel School of Medicine at Dartmouth 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Jonathan L. Held?
Jonathan L. Held is a dermatologist (skin doctor) in Ayer, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
What is Jonathan L. Held's address?
Jonathan L. Held is listed at 190 Groton Rd Suite 180, Ayer, MA 01432. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Jonathan L. Held?
The number on file is (978) 772-7221. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Jonathan L. Held's NPI number?
Jonathan L. Held's National Provider Identifier is 1699767608. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Jonathan L. Held train?
Jonathan L. Held attended Geisel School of Medicine at Dartmouth, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Jonathan L. Held been practicing?
Jonathan L. Held has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What procedures does Jonathan L. Held perform?
According to Medicare billing data, Jonathan L. Held performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Jonathan L. Held confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Jonathan L. Held. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.